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Winchester ® Super X ® 3 Autoloading Shotgun Owner’s Manual

 Contents Page
Important instructions for
Gun Safety Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . .1
Winchester ® Super X® 3 General Description . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
General Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Autoloading Shotgun Terminology and Descriptions . . . . . . . . . . . . . . . . . . . .4
Winchester Rifles and Shotguns Serial Number . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Customer Service Department (United States) Initial Cleaning and Oiling . . . . . . . . . . . . . . . . . . . . . . .4
Ammunition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
BACO, Inc.
Operation of the Safety . . . . . . . . . . . . . . . . . . . . . . . . . .8
275 Winchester Avenue
Initial Assembly and Takedown . . . . . . . . . . . . . . . . . .10
Morgan, Utah 84050-9333 Magazine Capacity . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
Phone: (800) 945-5237 Loading . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
Firing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
If you have any questions or comments regarding your Unloading . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
new firearm, please feel free to write or call us. Use the In the Case of a Misfire . . . . . . . . . . . . . . . . . . . . . . . . .16
space below to record information about your new firearm. Invector-Plus™ Choke Tube System . . . . . . . . . . . . . . .17
Magazine Three Shot Adapter (Plug) . . . . . . . . . . . . .19
Model _________________________________________
Stock Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
Serial Number __________________________________ Use of Extra Barrels . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
Mounting a Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
Purchased From _________________________________
Trigger Group Maintenance . . . . . . . . . . . . . . . . . . . . .28
Date of Purchase ________________________________ Bolt Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . .30
Winchester and associated trademarks are registered trademarks of Cleaning and Maintenance Suggestions . . . . . . . . . . . .34
Olin Corporation. Invector-Plus, Perma-Cote and Dura-Touch are Parts, Service, Repair and Questions . . . . . . . . . . . . . .37
trademarks of Browning.
Website Information . . . . . . . . . . . . . . . . . . . . . . . . . . .38
NEU06101.5/06013
GUN SAFETY WARNINGS shell might accidentally discharge even with the safety
on, causing serious injury to you or someone else.
IT IS ESSENTIAL THAT THESE OPERATING When you are ready to shoot and a shell is chambered,
INSTRUCTIONS BE THOROUGHLY STUDIED BEFORE USING keep the safety in the “on safe” position until shooting
THIS FIREARM TO ASSURE PROPER AND SAFE FIREARM is imminent.
HANDLING. FAILURE TO FOLLOW THESE
2. Do not rely on the safety to prevent accidental
INSTRUCTIONS OR FAILURE TO OBEY ANY SAFETY discharge. Many safeties merely block the trigger
WARNING MAY RESULT IN INJURY TO YOURSELF OR and prevent firing by pulling the trigger. The safety
OTHERS, OR CAUSE DAMAGE TO YOUR FIREARM. may not prevent an accidental discharge due to
As a firearm owner, you accept a set of demanding dropping, jarring or bumping a firearm.
responsibilities. How seriously you take these 3. Use only ammunition for which the firearm is
responsibilities can be the difference between life and chambered, as indicated on the barrel, to prevent
death. There is no excuse for careless or abusive handling excessive pressure and possible serious personal injury.
of any firearm. At all times handle your shotgun and any
4. Incorrectly reloaded ammunition can cause serious
other firearm with intense respect for its power and
personal injury and damage to the firearm due to
potential danger.
excessive pressure. Reload only after proper instruction
PLEASE READ AND UNDERSTAND ALL OF THE and in strict compliance with instructions and data
CAUTIONS, PROPER HANDLING PROCEDURES AND contained in current reloading manuals.
INSTRUCTIONS OUTLINED IN THIS OWNER’S MANUAL 5. Never point a firearm at anything you do not intend to
BEFORE USING YOUR NEW FIREARM. shoot. Always keep it pointed in a safe direction in
1. Do not carry a loaded firearm with a live shell in the case of accidental discharge.
chamber while running, climbing a tree, crossing a 6. Always check to ensure that the barrel is free of
fence or anywhere you might slip or fall, drop the obstructions before loading and using the firearm. If
firearm or otherwise bump or jar the firearm. A firearm you experience light recoil or off sound, check the
that is dropped, bumped or jarred with a chambered barrel for an obstruction.

1
7. Before firing, clean any grease or oil out of the barrel 14. Never alter any parts of your firearm. Any alterations
with a cleaning rod and patch. Grease or heavy or adjustments that may become necessary to the
accumulation of oil can cause excessive pressures operating mechanism should be performed by a
and result in serious personal injury. qualified gunsmith.
8. Keep barrel, chamber and action free of rust. Rust in 15. Hunting from elevated surfaces, such as tree stands, is
the barrel and chamber can cause excessive pressures dangerous. Doing so may increase the risk of handling
resulting in serious injury. A rusted, pitted or eroded any firearm. Always make certain that the stand being
barrel should be replaced. used is safe, sturdy and stable. Always make certain
9. Use hearing protection to prevent ear damage your firearm is unloaded when it is being taken up and
from repeated exposure to gunfire. down from the stand. Always make certain that your
firearm is not dropped from the stand or dropped
10. Always use proper shooting glasses to prevent while it is being taken up or down from the stand.
eye injury from flying particles.
16. Discharging firearms in poorly ventilated areas,
11. Never carry a loaded firearm in a motor vehicle or cleaning firearms or handling ammunition may result
carry one into a dwelling. Always carefully unload the in exposure to lead and other substances known to
firearm before entering a motor vehicle, a dwelling or cause birth defects, reproductive harm and other
an area such as a camp. Always point your firearm in a serious physical injury. Have adequate ventilation at
safe direction while loading or unloading to prevent all times. Wash hands thoroughly after exposure.
serious injury in case of an accidental discharge.
Never load your firearm in a house or in a vehicle. GENERAL DESCRIPTION
12. Never shoot at a hard, flat surface or at the surface
The Super X® 3 is a world-class shotgun with world-class
of water to avoid a ricochet and possible serious
origins. Every aspect of the design points toward unmatched
personal injury to yourself or a bystander.
reliability and superb handling. It is clear that this shotgun
13. Store firearms in a clean, dry place out of reach of has the performance features demanded by serious hunters
children and separated from stored ammunition. and shooters. A few things to take notice of are:

2
• The remarkably simple, self-adjusting Active Valve With the magazine three-shot adapter (plug) removed
gas piston system. from the magazine and using 23⁄4" loads, the shotgun is
• The alloy receiver balances weight between the hands with capable of shooting five shots in rapid succession, one
just enough barrel weight for a smooth swing. shot with each pull of the trigger. The short stroke of the
gas piston along with the snug, gas sealing fit of the gas
• The acclaimed Invector-Plus™ choke system incorporates piston rings and tight fit of the piston sleeve push rod
long choke tapers and a back-bored barrel for superior limit the amount of combustion gases blown past the
shot patterns. piston sleeve and into the receiver, keeping the inside of
As you learn about your new shotgun and begin shooting the receiver cleaner. This is an exceptionally advanced
it, we’re sure you’ll agree its design sets new standards for design that offers reliable function from the gas system
reliability and handling. and easy disassembly for maintenance and cleaning.
However, in order to keep your new shotgun in top
Your new shotgun is one of several different versions
condition and operating at its peak performance, you
and configurations offered. The basic operating
must read, understand and follow all of the instructions in
procedures are the same for all models. Where there
this owner’s manual.
are differences, they are pointed out in this owner’s
manual for your convenience. Prior to using live ammunition, familiarize yourself
thoroughly with these operating instructions. Get
GENERAL OPERATION accustomed to the feel of your new firearm. Know the
forces required to operate the action. Learn how to pull
This shotgun is an autoloading design that allows you to the trigger, and above all, know the location and
fire follow-up shots by merely pulling the trigger. When operation of the safety. Procedures for disassembly and
you fire a shell, the Active Valve gas system moves a shell operation of various components are outlined later in this
from the magazine to the chamber where it is fired with a owner’s manual. Please read and study them thoroughly.
pull of the trigger. This can be repeated until the In addition, always remember:
magazine is empty. A single shell can also be inserted into
the chamber manually or moved from the loaded WARNING: ALWAYS KEEP THE MUZZLE POINTED IN A
magazine by cycling the action with the operating handle. SAFE DIRECTION. USE THE CORRECT AMMUNITION AS
REFERENCED BY THE INSCRIPTION ON THE BARREL.

3
 Ejection Port Ventilated Rib FIGURE 1
Receiver Sight

Invector-Plus™
Magazine Cap Choke Tube System
Safety Carrier Release Button
Forearm Muzzle
Trigger Magazine Tube
Trigger Guard
(Inside Forearm)
Recoil Pad Buttstock

BEFORE LOADING YOUR FIREARM BE SURE ALL GREASE general features and benefits of the shotgun’s design.
AND OIL HAVE BEEN REMOVED FROM THE BARREL AND Throughout this owner’s manual the term “action” refers
CHAMBER, AND THERE ARE NO OBSTRUCTIONS. to the mechanism of this shotgun which loads and secures
the shell in the chamber.
TERMINOLOGY AND DESCRIPTIONS
SERIAL NUMBER
Descriptions in this owner’s manual generally refer to the
firearm in the horizontal position; that is, in the normal The serial number is located on the left side of the
firing position. For example, the muzzle is forward or front; receiver, just above the trigger guard. Record the
the butt stock is rearward or rear; the trigger is downward serial number at the front of this owner’s manual for
or underneath; the sight is upward or on top. For general future reference.
parts terminology refer to Figure 1.
The shotgun is also shown disassembled to the extent INITIAL CLEANING AND OILING
necessary in order to follow instructions contained in this Some metal parts of your new shotgun have been coated
book (Figure 20, page 27). Figure 3 (page 6) covers the at the factory with a rust preventative compound. Before

4
using your shotgun, clean the anti-rust compound from Only a light film is necessary. Excessive oil should be wiped
the inside of the barrel, receiver, bolt mechanism and the off, especially in cold weather.
action/chamber areas. A high quality, lightweight gun oil
should be used to remove this compound and to give your CLEANING PARTS WITH SPECIAL FINISHES —
new firearm its first lubrication. Clean the barrel using a Be especially careful when cleaning firearms with
cleaning rod and patch as explained under “Cleaning and camouflage, Dura-Touch® Armor Coating and other
Maintenance Suggestions” found on page 33 in this special finishes. Always prevent these surfaces from
owner’s manual. coming in contact with cleaning solvents, barrel
If your new shotgun is to be stored for an extended period scrubbers and other strong chemicals. It is preferable to
of time, it is permissible to leave the rust preventative clean these surfaces with a light gun oil containing no
compound in place and keep your shotgun in its box for solvents or with a damp cloth and mild dish soap (be sure
maximum protection during long-term storage. to keep water out of the action). When cleaning your
firearm’s bore and action, protect the external finishes
Before beginning assembly of your shotgun, you should first
from any contact with chemicals used. Also, avoid any
wipe the mechanism clean and apply a few drops of quality
contact between external finishes and other strong
oil to the rails on which the bolt slides. These are found
chemicals like those found in DEET-containing insect
inside the receiver (Figure 2). Avoid applying too much oil.
repellents, sunscreens, etc. Damage to camouflage,
FIGURE 2 Dura-Touch and other finishes caused by chemicals is
irreversible and unrepairable.

AMMUNITION
There are two basic versions of this shotgun, those with a
31⁄2" chamber and those with a 3" chamber. This
information can be found inscribed on the barrel.

Be sure you lightly oil the bolt rails inside

the receiver at these points.
(Continued on page 8.)
5
 The advanced aluminum alloy receiver offers the The entire bolt assembly removes easily for
strength of steel and exceptional between-the-hands thorough cleaning. This is a firearm designed for
balance. Camo and Perma-Cote™ UT finishes are both extreme reliability under real-world, adverse
SHOTGUN FEATURES durable and good looking, with minimal glare. hunting conditions.

Several stock materials are available. Choose from

black or camouflage composite models with grip
enhancing Dura-Touch® Armor Coating, or
traditional walnut models.

The large safety button offers excellent The trigger assembly quickly
convenience with both gloved and removes with a durable two-pin
ungloved fingers. Plus, it is reversible system for easy maintenance
for left-handed shooters. and cleaning.
A deluxe next generation Pachmayr®
Decelerator® recoil pad provides maximum
comfort. The hard heel prevents snagging
on clothing when shouldering.

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 FIGURE 3

.742" Back-Bored Technology creates the ideal

Lightweight, machined ventilated rib. bore diameter, providing improved pattern
performance and shot velocity.

The longer Invector-Plus choke tubes have special tapers for optimum patterning, and
they are specially designed for back-bored barrels. It allows you to change choke
constrictions to meet the demands of the game being hunted or target presentation.
Extra-full choke tubes are available for hunting turkey or other game requiring extremely
tight patterns with lead shot loads.
The advanced Active Valve gas system uses just the right amount
of gas needed to cycle the action. The 31⁄2" models shoot factory
12 gauge field loads from 2 3⁄4" to 31⁄2" (11⁄8 oz. to 21⁄4 oz.) loads.
The 3" model shoots factory 12 gauge field loads from 2 3⁄4" to 3"
(1 oz. field to 2 oz.) loads.

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• 31⁄2" — These models have a 31⁄2" chamber designed to SERIOUS PHYSICAL INJURY. HAVE ADEQUATE
shoot factory 12 gauge loads including 23⁄4", 3" and 31⁄2" VENTILATION AT ALL TIMES. WASH HANDS
(11⁄8 oz. to 21⁄4 oz.) field loads. (They are NOT designed THOROUGHLY AFTER EXPOSURE.
to shoot the lightest factory 7⁄8 oz. and 1 oz. loads.)
Incorrectly reloaded ammunition can cause serious
• 3" — These models have a 3" chamber designed to personal injury and damage to the firearm due to
shoot factory 12 gauge loads including 23⁄4" and 3" excessive pressure. Reload only after proper instruction
(1 oz. to 2 oz.) field loads. (They are NOT designed and in strict compliance with instructions and data
to shoot the lightest factory 7⁄8 oz. and 1 oz. target contained in current reloading manuals.
loads or any 31⁄2" shells.)
Winchester ammunition is always an excellent choice for OPERATION OF THE SAFETY
your new Winchester firearm, delivering the unmatched
This shotgun is designed with a cross-bolt-type safety. It is
performance and dependability you want.
located just rearward of the trigger on the trigger guard,
USE ONLY THE EXACT AMMUNITION/GAUGE AS LISTED and is convenient for gloved or ungloved fingers. It is
ON THE LEFT SIDE OF THE BARREL. WINCHESTER essential that you become very familiar with the feel, look
FIREARMS CAN ASSUME NO RESPONSIBILITY FOR and operation of the safety on this shotgun before
INCIDENTS WHICH OCCUR THROUGH THE USE OF attempting to load and shoot.
CARTRIDGES OF NONSTANDARD DIMENSION OR THOSE The cross-bolt safety prevents the trigger from being
THAT, WHEN SHOT, DEVELOP PRESSURES IN EXCESS OF pulled when in the “on safe” position. In the “off safe”
INDUSTRY STANDARDS ESTABLISHED BY THE SPORTING position, if your firearm is loaded with a shell in the
ARMS AND AMMUNITION MANUFACTURERS’ INSTITUTE chamber, the chambered shell can be fired by simply
(SAAMI). DISCHARGING FIREARMS IN POORLY pulling the trigger.
VENTILATED AREAS, CLEANING FIREARMS, OR The safety on this shotgun is reversible for right- or
HANDLING AMMUNITION MAY RESULT IN EXPOSURE left-handed operation. It comes from the factory in the
TO LEAD AND OTHER SUBSTANCES KNOWN TO CAUSE right-handed position. Verify the installation of your
BIRTH DEFECTS, REPRODUCTIVE HARM AND OTHER firearm’s safety. Instructions in this owner’s manual are
for the safety installed in the right-handed position.

8
• “On Safe” — The safety button is pushed fully to Never rely totally on your firearm’s safety button. It is
the right. The red band on the left side is not showing merely an aid to safe gun handling. Like any mechanical
(Figure 4). Always maintain the safety in the device the safety can possibly fail; it can be jarred or
“on safe” position (fully on) when a cartridge is in inadvertently manipulated into an unsafe condition.
the chamber and until shooting is imminent. Always keep your shotgun pointed in a safe direction.
• “Off Safe” — The safety button is pushed fully to the At all times in the field keep the safety in the “on safe”
left. A large red band is exposed on the button as it position and the barrel pointed in a safe direction. It is
protrudes on the left side of the trigger guard. The red a good idea never to load your shotgun until you are in
band is an added aid to safe gun handling (Figure 5). the field and shooting is imminent or until you are at
your station and it is your turn to shoot when you are
CAUTION: THE RED WARNING BAND ON THE SAFETY shooting at a range. For extra safety, and as a courtesy
BUTTON IS FOR CONVENIENCE ONLY. DO NOT DEPEND to others, fully unload and place the action in the open
ON THE RED COLOR ALONE TO INDICATE YOUR position at all times other than when shooting is
FIREARM’S SAFETY STATUS, AS TIME, EXPOSURE TO immediately imminent.
THE ELEMENTS, AND THE ABRASIVE ACTION OF
CLEANING AGENTS CAN ERASE IT.

FIGURE 4 FIGURE 5

“On Safe” position “Off Safe” position.

Red Band showing.

9
IT IS ESSENTIAL THAT YOU BECOME VERY FAMILIAR ALWAYS PLACE THE SAFETY IN THE “ON SAFE” POSITION
WITH THE FEEL, LOOK AND OPERATION OF THE SAFETY BEFORE BEGINNING ASSEMBLY PROCEDURES. VISUALLY
ON THIS SHOTGUN BEFORE ATTEMPTING TO LOAD AND INSPECT THE CHAMBER, FEED MECHANISM AND
SHOOT IT. MAGAZINE TO BE ABSOLUTELY CERTAIN THE SHOTGUN
IMPORTANT: THE SAFETY ON THIS SHOTGUN CAN BE IS COMPLETELY UNLOADED. POINT THE BARREL IN
REVERSED FROM RIGHT- TO LEFT-HANDED BY A A SAFE DIRECTION.
QUALIFIED GUNSMITH. WHEN REVERSED TO 1. Lock the bolt rearward by pulling the operating handle
LEFT-HANDED, THE SAFETY BUTTON’S RED WARNING fully to the rear. If it will not pull rearward it usually
BAND WILL SHOW ON THE RIGHT SIDE OF THE indicates that the bolt slide link has fallen out of the
end of the socket on the return spring plunger while
TRIGGER GUARD WHEN THE SAFETY IS IN THE
your firearm was being shipped. This is not a problem.
“OFF SAFE” POSITION.
Refer to the section titled “Bolt Maintenance” on page
30 in this owner’s manual for special instructions on
INITIAL ASSEMBLY AND TAKEDOWN how to perform this alignment procedure.
ASSEMBLY —
Remove the barrel assembly and receiver/stock section
from the carton. The shotgun usually comes from the Align the piston sleeve push rod with the slot on FIGURE 6
factory with the barrel removed and the forearm still the left side of the receiver.
attached to the magazine tube. Wipe them clean and
lightly oil component parts as explained under “Initial
Cleaning and Oiling” on page 4. It is important to
carefully follow the assembly instructions below —
especially steps 1, 2 and 3 — to assure the proper
assembly of your shotgun.

10
 2. Carefully remove the forearm from the magazine tube 4. If the gas piston, piston sleeve and piston sleeve spring
by unscrewing the magazine cap and sliding the forearm have been removed, first slide the piston sleeve spring
forward off the magazine tube. DO NOT SQUEEZE HARD over the magazine tube. Then slide the piston sleeve
ON THE OPEN REAR END OF WOOD FOREARMS. TOO onto the magazine tube, piston sleeve push rod end first.
MUCH PRESSURE COULD CAUSE THE WOOD TO SPLIT. Check the piston sleeve push rod to make sure it is
The magazine spring is held in place by a friction-type aligned with the slot on the left side of the receiver
magazine spring retainer. ALWAYS KEEP THE MAGAZINE (Figure 6), as viewed from the normal shooting position.
POINTED AWAY FROM YOU AND OTHERS WHEN 5. Slide the gas piston into the rear of the gas bracket on
REMOVING THE MAGAZINE CAP. the barrel, smaller end first (Figure 7).
3. Leave the components of the gas system (the piston FIGURE 8
sleeve, piston sleeve spring and gas piston) in place on
the magazine tube. They do not need to be removed,
except for cleaning. In the event that components of the Insert the gas piston and gas
gas system have been removed, it is easy to reinstall bracket over the magazine
tube. Start the barrel
them as explained below.
extension into the receiver.

FIGURE 7

You may have to lift

up slightly on the
piston sleeve.
Position the gas piston in the gas bracket on the bottom of the barrel.

11
6. Hold the firearm in the vertical position. Slide the gas disassembly of the rest of the firearm will not be
bracket and gas piston over the magazine tube (Figure 8). performed. If you intend to fully disassemble your firearm,
The barrel extension should slip solidly down into the you may start with the action closed.
receiver. Make sure the piston sleeve push rod on the
1. Unscrew the magazine cap and remove it. Because the
piston sleeve moves freely in its slot in the left side of
magazine spring is held in place by a friction-type
the receiver. On a new firearm with very tight
magazine spring retainer, always be careful which
tolerances, it may be necessary to lift up slightly on the
direction the end of the magazine is pointed.
piston sleeve to allow the barrel extension to drop into
the receiver. After you do this, always check piston ALWAYS KEEP THE MAGAZINE POINTED AWAY
sleeve push rod alignment as explained previously. FROM YOU AND OTHERS WHEN REMOVING THE
7. Replace the forearm by sliding it onto the magazine MAGAZINE CAP.
tube and over the gas bracket so it seats securely. Install 2. Remove the forearm by sliding it forward off the
the magazine cap. Make sure the magazine cap is fully magazine tube.
tightened down. Open and close the action several
times and then retighten the magazine cap. This will 3. If you are disassembling your shotgun for cleaning
help ensure a proper seal. remove the barrel, gas piston, piston sleeve and piston
sleeve spring by sliding them forward off the magazine
TAKEDOWN — tube. See “Cleaning and Maintenance Suggestions” on
page 33 in this owner’s manual for cleaning procedures.
ALWAYS PLACE THE SAFETY IN THE “ON SAFE” If you are disassembling for storage, lock the action
POSITION BEFORE BEGINNING DISASSEMBLY open. Leave the gas piston, piston sleeve and piston
PROCEDURES. VISUALLY INSPECT THE CHAMBER, FEED sleeve spring on the magazine tube as explained
MECHANISM AND MAGAZINE TO BE ABSOLUTELY previously. Reinstall them if they have been removed.
CERTAIN THE SHOTGUN IS COMPLETELY UNLOADED. Install the forearm over the magazine tube and screw on
POINT THE BARREL IN A SAFE DIRECTION. the magazine cap. You will then have two compact
units: (1) the barrel, and (2) the action with forearm
Disassembly for storage is essentially the reverse of the
and stock.
assembly procedures. The action should be left open if

12
CAUTION: AFTER THE BARREL HAS BEEN REMOVED • 3" Models —
FROM YOUR FIREARM, AND YOU INTEND TO STORE YOUR 3" magnum loads: three in magazine, one in chamber.
FIREARM, LEAVE THE BOLT IN THE OPEN POSITION. DO 23⁄4" shells: four in magazine, one in chamber.
NOT PRESS THE CARRIER RELEASE BUTTON. IF THE BOLT • With Magazine Three-Shot Adapter
IS RELEASED FORWARD WITH THE BARREL REMOVED, (Plug) Installed —
THE OPERATING HANDLE WILL HIT THE FRONT OF THE Two shells in magazine, one in chamber.
EJECTION PORT AND CAUSE DAMAGE TO BOTH THE IMPORTANT: Because 3" and 31⁄2" shotguns can
RECEIVER AND THE OPERATING HANDLE. handle mixed shells of different lengths, total capacity
may be affected.
MAGAZINE CAPACITY
It is extremely important that you know the magazine
LOADING
capacity of your shotgun. It is listed on the hang tag There are two ways to load the chamber of your shotgun.
supplied with your shotgun. Under appropriate Use the correct ammunition referenced by the inscription
circumstances — at a range or other suitable shooting on the barrel. Before loading your shotgun, make sure of
location — load your magazine to full capacity and make the following:
note of the number of shells. Remember, “total capacity”
• Be sure all grease and oil have been removed from the
includes an additional shell which can be loaded manually
barrel and chamber and there are no obstructions.
in the chamber in addition to a full magazine. Total
capacity is generally (magazine, plus chamber) • Your shotgun is pointed in a safe direction.
as follows: • The safety is in the “on safe” position.
• 31⁄2" Models — • You are in an appropriate location for shooting.
3" and 31⁄2" magnum shells: three in magazine,
• Shooting is imminent.
one in chamber. 23⁄4” shells: four in magazine,
one in chamber.

13
 FIGURE 9 IMPORTANT: THE FIREARM IS NOW READY TO FIRE BY
MOVING THE SAFETY TO THE “OFF SAFE” POSITION AND
PULLING THE TRIGGER. DO NOT CARRY A FIREARM WITH
A SHELL IN THE CHAMBER TO AVOID ACCIDENTAL
DISCHARGE. IN ALL CASES, WHEN LOADING AND WHEN
FIRING IS NO LONGER IMMINENT, MAKE SURE THE
SAFETY IS IN THE “ON SAFE” POSITION.
After firing with an empty magazine, the bolt will lock
rearward, ready for inserting the next shell into the open
When loading the chamber directly, drop ejection port.
a loaded shell in the open ejection port.
LOADING THE MAGAZINE —
FIRING A SINGLE SHOT —
1. Place the safety in the “on safe” position and close the
1. Place the safety in the “on safe” position. action by pressing the carrier release button.
2. Open the action by pulling back fully on the operating 2. With your thumb on the base of the shell, push the shell
handle. The bolt will lock in the rearward position.
through the loading port at the bottom of the receiver
Always verify that the magazine and chamber contain
no shells when the action is opened. FIGURE 10
3. A shell can now be placed directly into the ejection port
(Figure 9).
4. Press the carrier release button located just below the
ejection port. This will automatically move the shell
placed in the ejection port into the chamber. Keep your
fingers clear of the ejection port when closing the action
with the carrier release button. Push the shell all the way into the
magazine. Make sure you push the rim
of the shell past the shell stop.

14
 up into the magazine until the shell is held in the port. More commonly, you will take advantage of the
magazine by the shell stop (Figure 10). Make sure the autoloading feature by loading the entire magazine first and
rim of the shell engages the cartridge stop and is held then firing repeated shots, if necessary. Both methods are
fully inside the magazine tube. It will make an audible described earlier under “Loading Procedures” on page 13.
click when fully inserted. 1. When ready to shoot, and with a shell loaded in the
3. Repeat the procedure until the magazine is fully loaded. chamber, the safety “on safe”, and your finger off the
4. If firing is imminent, a shell can be moved from the trigger, push the safety to the “off safe” position (with
magazine to the chamber by pulling back fully on the the red warning band fully visible). Your shotgun is
operating handle and releasing it forward. A shell will now ready to fire with a pull of the trigger.
be fed from the magazine to the chamber as the bolt CAUTION: YOUR SHOTGUN IS NOW READY TO FIRE.
closes. Another shell can then be inserted into the REMEMBER, THE RECOIL FROM A SHOTGUN,
magazine, reloading it to full capacity. ESPECIALLY WITH MAGNUM LOADS, WILL BE
IMPORTANT: THE FIREARM IS NOW READY TO FIRE BY SOMEWHAT HEAVIER THAN MOST OTHER FIREARMS.
MOVING THE SAFETY TO THE “OFF SAFE” POSITION AND FIRMLY SHOULDER YOUR SHOTGUN, TAKE AIM,
PULLING THE TRIGGER. DO NOT CARRY A FIREARM WITH AND, WHEN ON TARGET, PULL THE TRIGGER.
A SHELL IN THE CHAMBER TO AVOID ACCIDENTAL 2. As the shell in the chamber is fired, gases from the
DISCHARGE. IN ALL CASES, WHEN LOADING AND WHEN propellant are bled off from the barrel at the gas bracket.
FIRING IS NO LONGER IMMINENT, MAKE SURE THE This forces the gas piston rearward which in turn moves
SAFETY IS IN THE “ON SAFE” POSITION. the bolt assembly rearward, ejecting the fired shell.
3. As the bolt returns forward under spring force, a shell
FIRING from the magazine is automatically transferred from the
The autoloading operation of this shotgun is the obvious magazine to the chamber and the bolt locks forward.
primary benefit to the shooter. For training or target Your firearm will now fire again with the pull of the
situations your firearm can be fired “single shot” by trigger. Immediately put the safety in the “on safe”
loading one shell at a time through the open ejection position (with the red warning ring hidden) until you
are ready to fire again.
15
4. You may fire until the magazine is empty. The bolt will chamber and then ejected. You should always take
lock open after the last shot has been fed from the care to avoid damaging shells. Do not let them fall
magazine, fired and ejected. When the bolt locks open on hard ground.
this usually indicates that both the magazine and 2. When the last shell in the magazine has been cycled
chamber are empty, and that your shotgun magazine from the magazine, through the chamber and out the
needs to be reloaded. It is important to treat your ejection port, the action should lock rearward
firearm as though it is loaded, even if the action has
locked open. At this point either reload the magazine IMPORTANT: AFTER UNLOADING ALWAYS VISUALLY
(if shooting is going to continue) or fully unload your INSPECT THE CHAMBER TO BE CERTAIN THAT YOUR
shotgun (if shooting is completed). Either way, place SHOTGUN IS COMPLETELY UNLOADED.
the safety in the “on safe” position.
IN THE CASE OF A MISFIRE
WHEN FIRING IS COMPLETED OR WHEN SHOOTING
IS NO LONGER IMMINENT, IMMEDIATELY RETURN Only rarely will modern factory ammunition experience a
THE SAFETY TO THE “ON SAFE” POSITION. UNDER misfire. If this ever happens to you when shooting your
shotgun, please follow these instructions carefully.
NO CIRCUMSTANCES SHOULD YOU MOVE ON OR
CONTINUE TO HUNT WITH THE SAFETY IN THE CAUTION: IN CASE OF MISFIRE, KEEP THE BARREL
“OFF SAFE” POSITION. POINTED IN A SAFE DIRECTION, CAREFULLY OPEN
THE ACTION WHILE AVOIDING DIRECT EXPOSURE TO THE
UNLOADING BREECH BY YOURSELF AND OTHERS. REMOVE
THE SHELL FROM THE CHAMBER. PLACE THE SAFETY IN
WHEN UNLOADING YOUR SHOTGUN, POINT THE THE “ON SAFE” POSITION AND COMPLETELY UNLOAD
MUZZLE IN A SAFE DIRECTION. PLACE THE SAFETY YOUR SHOTGUN, REMOVING ALL SHELLS FROM THE
IN THE “ON SAFE” POSITION AND MAKE SURE THE MAGAZINE.
ACTION IS CLOSED.
Carefully inspect the ejected shell. If the primer is
1. Grasp the operating handle and cycle the action until indented, the shell should be disposed of in a manner that
all shells are transferred from the magazine to the would prevent accidental injury to you, others, or the

16
environment. If there is no indentation, your firearm has USE ONLY CHOKE TUBES MARKED “INVECTOR-PLUS”
malfunctioned and should be serviced by a qualified IN YOUR SHOTGUN. USE ONLY THE APPROPRIATE
gunsmith, or by a Winchester Firearms Authorized Repair GAUGE OF INVECTOR-PLUS CHOKE TUBES AS MARKED
Center (ARC) (page 37). ON YOUR SHOTGUN.
Failure to follow these warnings may damage your firearm
INVECTOR-PLUS™ CHOKE TUBE SYSTEM and cause injury to yourself and others. A special
This shotgun is fitted with the Invector-Plus choke tube Invector-Plus choke tube wrench is provided to remove
system, one of the most popular systems on the market. and tighten Invector-Plus choke tubes.
This means: DO NOT FIRE THIS SHOTGUN WITHOUT HAVING AN
• It has a back-bored barrel. INVECTOR-PLUS CHOKE TUBE INSTALLED. PERMANENT
• It is threaded to accept Invector-Plus choke tubes only. DAMAGE MAY RESULT TO THE BARREL THREADS.

The Invector-Plus system allows you to configure your CAUTION: WHENEVER HANDLING ANY SHOTGUN
shotgun for the shot pattern and/or choke constriction FOR THE PURPOSE OF REMOVING OR INSTALLING A
your hunting or target shooting situation demands. The CHOKING DEVICE, MAKE ABSOLUTELY CERTAIN THE
back-bored barrel and highly engineered choke tapers FIREARM IS COMPLETELY UNLOADED, AND THE BOLT
produce the best possible patterns for target and field OR BREECH IS OPEN! NEVER ATTEMPT TO REMOVE
situations. It is extremely easy to switch choke OR INSTALL A SHOTGUN CHOKING DEVICE ON A
constrictions to match your shooting conditions. LOADED FIREARM!
Invector-Plus tubes are fully compatible with steel and lead
CHOKE TUBE REMOVAL —
shot. Most Invector-Plus choke tubes fit flush with the
muzzle when installed. A special choke tube wrench is 1. COMPLETELY UNLOAD YOUR SHOTGUN. INSPECT THE
provided to remove and tighten these tubes. Invector-Plus CHAMBER, FEED MECHANISM AND MAGAZINE TO
choke tubes are NOT interchangeable with any other MAKE SURE THEY DO NOT CONTAIN ANY SHELLS.
choke tubes on the market including chokes listed as
2. Open the action, locking it rearward, and place
“Standard Invector™” or “WinChoke®” choke tubes.
the safety in the “on safe” position.

17
3. Use the Invector-Plus wrench to loosen the choke SELECTING THE CORRECT INVECTOR-PLUS
tube, turning it counterclockwise. Unscrew the CHOKE TUBE —
choke tube the rest of the way out of the barrel with The Invector-Plus choke system is fully compatible with
your fingers. factory lead or steel shot loads. The conversion chart
CHOKE TUBE INSTALLATION — includes both lead and steel shot information. Lead and
steel shot perform differently in tubes with the same
1. COMPLETELY UNLOAD YOUR SHOTGUN. INSPECT THE
choke constriction. For this reason, both lead and steel
CHAMBER, FEED MECHANISM AND MAGAZINE TO designations are provided. Larger steel shot diameters also
MAKE SURE THEY DO NOT CONTAIN ANY SHELLS. result in different patterns than smaller steel shot sizes.
2. Open the action, locking it rearward, and place the Each designation is inscribed on each choke tube. To help
safety in the “on safe” position. you choose the correct choke tube for each target
shooting and hunting situation, all Invector-Plus choke
3. Before installing a tube, check the internal choke tubes are inscribed on the side with abbreviations for the
tube threads in the muzzle, as well as the threads patterns they produce with both lead and steel shot. Each
on the Invector-Plus choke tube to be sure they are tube also features identification notches located on the
clean. Lightly oil the choke tube’s threads with a high top rim of each tube (Figure 11). These notches are a
quality lightweight oil. code to allow you to determine the choke designation
4. Using your fingers, screw the appropriate tube into while the tube is installed. Rim notches refer specifically
the muzzle end of the barrel, tapered end first, to lead shot. Use the chart on page 19 to cross-reference
notched end outward. When it becomes finger tight, from lead to steel, and determine the appropriate tubes for
use the Invector-Plus choke tube wrench to firmly your ammunition and hunting/shooting situation.
seat the tube. It is helpful to note that bismuth shot patterns similarly to
THE INVECTOR-PLUS CHOKE TUBE SHOULD BE lead shot and tungsten shot patterns more like steel shot.
PERIODICALLY CHECKED TO ASSURE THAT IT IS
TIGHT AND FIRMLY SEATED. BEFORE CHECKING,
FOLLOW THE SAFETY GUIDELINES OUTLINED ABOVE.

18
 FIGURE 11 CHOKE TUBE RIM NOTCH CODES AND PATTERNS
Rim Pattern With Pattern With
Notches Lead Shot Steel Shot

Knurled** X-Full Turkey **

I Full *
II Imp. Modified Full1
III Modified Full1
1 Notch: 2 Notches: 3 Notches:
Full Improved Modified Modified IIII Imp. Cylinder Modified
IIIII Skeet Imp. Cylinder
No Notches Cylinder Cylinder

* Not for use with steel shot. Using an over-tight choke constriction
with steel shot will result in an ineffective “blown” pattern.
** Extra Full Turkey with knurled rim. Do not use with steel shot.
1
When more than one choke designation is listed for a given steel shot
4 Notches: 5 Notches: No Notches:
Improved Cylinder Skeet Cylinder pattern, use the more open choke listed for high velocity, larger shot
size steel loads.
Tube Notch Codes (Lead shot designations). Small notches indicate the choke tube code.
Large notches are for the choke tube wrench.

MAGAZINE THREE-SHOT ADAPTER (PLUG) plug can be performed with the barrel in place or with the
barrel removed from the action.
The shotgun is delivered with the magazine three-shot
adapter (plug) installed in the magazine, limiting IMPORTANT: Use only the plug supplied with your
magazine capacity to two shells in compliance with shotgun or a replacement part made specifically for your
federal migratory bird regulations. If you do not wish to be shotgun by Winchester Rifles and Shotguns. This is a
limited to three shots — when it is not required by law — special plug design that maximizes the performance of
you can remove the plug. Removal and installation of the your firearm with any load. The use of any other plug may
affect performance of the magazine system.
19
 Depress the magazine FIGURE 12 FIGURE 13
spring retainer tab.
Keep your free hand
over the retainer.

Slowly remove the magazine spring retainer. Keep it under

control with your hand as it is under spring pressure.

WHEN REMOVING OR INSTALLING THE MAGAZINE REMOVAL —

THREE-SHOT ADAPTER (PLUG), MAKE CERTAIN THE 1. First, make certain the firearm is completely unloaded
SAFETY IS IN THE “ON SAFE” POSITION. BE CERTAIN and the safety is in the “on safe” position.
THERE ARE NO SHELLS IN THE MAGAZINE OR CHAMBER
2. Unscrew the magazine cap and remove it. Remember,
AND KEEP THE BARREL POINTED IN A SAFE DIRECTION always point the end of the magazine away from your
AT ALL TIMES. REMEMBER, THE PLUG IS UNDER SPRING face and in a safe direction.
PRESSURE SO CARE MUST BE TAKEN FOR SAFE
3. Remove the forearm by sliding it forward over the gas
REMOVAL. ALWAYS POINT THE END OF THE MAGAZINE
bracket. It is also acceptable to remove the barrel as
AWAY FROM YOUR FACE AND IN A SAFE DIRECTION. explained previously under “Takedown” on page 12.
NEVER LOOK DIRECTLY DOWN INTO THE CAP END
4. The magazine plug lays underneath the magazine spring
OF THE OPEN MAGAZINE. ALWAYS WEAR EYE
retainer locked in the forward end of the magazine
PROTECTION WHEN REMOVING AND REINSTALLING
tube. To remove the magazine spring retainer, depress
THE MAGAZINE PLUG. the magazine spring retainer tab — located in the

20
 FIGURE 14 2. Align the magazine retainer tab with the rectangular
slot in the magazine tube. Push the magazine spring
retainer down into the magazine. Make sure the
magazine spring retainer tab is locked in place in its
retaining slot in the magazine.
3. Reinstall the barrel (if it was removed), the forearm and
then the magazine cap as explained under
Remove the plug from the end
“Initial Assembly/Takedown” on page 10.
of the magazine spring. In the future, should you wish to limit your firearm to
three shots again, unscrew the magazine cap, remove the
forearm and remove the magazine spring retainer as
window on the magazine tube — with a screwdriver explained previously. Hold the spring down inside the
while keeping your free hand on the magazine spring magazine tube and insert the tapered end of the plug
retainer (Figure 12). Slowly remove the magazine inside the spring. Lightly press the front end of the plug
spring retainer as it is under pressure of the magazine to force the magazine spring into the magazine until the
spring (Figure 13). base of the plug is level with the end of the magazine
tube. Replace the magazine spring retainer, forearm and
5. As the spring pushes the retainer out of the tube the magazine cap. Make sure the magazine follower remains
plug will come with it. Remove the retainer, the plug in place inside the rear of the magazine tube.
and the magazine spring from the magazine tube.
6. Remove the plug from between the retainer and the STOCK ADJUSTMENT
magazine spring (Figure 14). The stock of the shotgun can be adjusted for length of pull
INSTALLATION — by adding or removing spacers to the rear of the stock.
1. Depress the magazine spring back into the magazine This feature applies to both wood and composite stock
tube and replace the magazine spring retainer over the models. Each spacer extends length of pull 1⁄4" and a
maximum of three spacers can be added with the screws
top of the spring.

21
 FIGURE 15 FIGURE 16
The stock spacers fit
between the recoil pad
and buttstock. With the
included screws,up to
three spacers can be
used to increase length
of pull.
Locate the two slits in the recoil pad
and loosen the screws that hold the
recoil pad in place.

provided to extend length of pull 3⁄4". With longer screws TO ADJUST LENGTH OF PULL —
(not provided), more than three spacers can be added to 1. COMPLETELY UNLOAD YOUR SUPER X3 SHOTGUN.
further extend length of pull.
INSPECT THE CHAMBER, FEED MECHANISM AND
Composite stocked models come from the factory with MAGAZINE TO MAKE SURE THEY DO NOT CONTAIN
two spacers in the box. Wood stocked shotguns come ANY SHELLS.
with a 1⁄4" thick spacer installed. Additional spacers can
be ordered through your local Winchester Rifles and 2. Use a #2 cross tip or Phillips screwdriver to remove the
Shotguns dealer or by calling our Customer Service recoil pad at the end of the buttstock (Figure 15). Place
Department at (800) 322-4626. a small amount of petroleum jelly on the screw access
slits on the top and bottom of the rear of the buttstock
Length of pull can be further shortened by having a
to prevent damaging the recoil pad. Insert the
gunsmith trim the stock and refit the recoil pad.
screwdriver into each of the two access holes. Make
Composite stock guns can be trimmed up to 1⁄2".
certain the tip of the screwdriver engages the head of
Shotguns with a composite stock also feature a shim the screw. Turn the screw counterclockwise until the
adjustment system that allows fine tuning of drop at screw is completely loose from the stock. When both
comb, heel and cast. Six shims are included. screws are free, remove the recoil pad.

22
3. Add or subtract spacers to fit your firearm to your ADJUSTING CAST AND DROP AT COMB —
specifications (Figure 16). After making an adjustment
Six shims have been included with your composite
hold the shotgun to your shoulder to determine if the
stocked shotgun (Figure 17). The shims fit between the
new length feels comfortable. Remember to always
buttstock and receiver, allowing customized adjustments
keep the muzzle pointed in a safe direction, with the
to the comb and heel. Each shim is labeled/stamped for a
safety in the “on safe” position and make certain the
specific amount of adjustment. The neutral shim, No. 2, is
shotgun is completely unloaded.
already installed on your shotgun.
4. When you are satisfied with the length of pull, start the
Drop at comb is defined as the place on the comb that
screws through the pad and spacer(s) into the holes in
your cheek rests when taking aim. If drop at comb is
the stock.
correct,your eye falls in line with the sight bead. Shims
5. Attach the recoil pad to the stock using the marked 1, 2 and 3 do not give any cast on or off. The
screwdriver. Turn the screws clockwise to tighten. stock remains straight. They only adjust drop at comb.
Do not overtighten the screws. These shims with their respective stamps are further
clarified here:
Shim 1 raises the comb approximately 1⁄16", and the
heel approximately 1⁄8".
FIGURE 17
Shim 2 is neutral. This shim is already installed on
your shotgun.
The shims can be Shim 3 lowers the comb approximately 1⁄16", and the
identified by the heel approximately 1⁄8".
number on the Cast is the offset of the buttstock from the longitudinal
lower edge.
center line of the firearm. Some right-handed shooters
like the stock to angle away (cast off) from their face,
making their line of sight more directly in line with
the rib. Angling the stock to the left for left-handed

23
shooters is “cast on.” Shims marked 1R1L, 2R2L, and Shim 2R2L adds the same amount of cast to the stock as
3R3L, will all adjust drop at comb the same amount as shim 1RL and the same amount of drop to the comb as
shims 1, 2 and 3, and will also adjust the cast right or shim No. 2.
left approximately 1⁄8". You will notice that the two Shim 3R3L adds the same amount of cast to the stock as
opposing edges of these spacers are different in thickness. 2RL and 3RL, and lowers the comb approximately 1⁄16"
These shims with their respective stamps are further and the heel approximately 1⁄8".
clarified here:
TO INSTALL A SHIM —
Shim 1R1L adjusts the comb in the increment given
above, (shim 1) and will adjust the cast on or cast off 1. COMPLETELY UNLOAD YOUR SUPER X3 SHOTGUN.
approximately 1⁄8”. For right-handed shooters, install this INSPECT THE CHAMBER, FEED MECHANISM AND
shim between the receiver and the stock with the R MAGAZINE TO MAKE SURE THEY DO NOT CONTAIN
facing the end of the buttstock, so its thicker side is on ANY SHELLS.
the left side. This casts the stock slightly to the right,
away from the face of a right handed shooter. If you turn 2. Use a #2 cross tip or Phillips screwdriver to remove the
the shim around so the L is facing the end of the recoil pad at the end of the buttstock (Figure 15). Place
buttstock, and it will cast the stock to the left. a small amount of petroleum jelly on the screw access

FIGURE 18 FIGURE 19
Use a socket to
remove the nut
that holds the
buttstock in place.

Fit the shims to the

buttstock.

24
 slits on the top and bottom of the rear of the buttstock within a given gauge and chamber length. No special
to prevent damaging the recoil pad. Insert the fitting is required.
screwdriver into each of the two access holes. Make Some important restrictions must be observed:
certain the tip of the screwdriver engages the head of
the screw. Turn the screw counterclockwise until the • Never use a barrel with a 31⁄2" chamber on a shotgun
screw is completely loose from the stock. When both designed for barrels with a 3" chamber.
screws are free, remove the recoil pad. • Never use a barrel with a 3" chamber on a shotgun
1
3. Using a ⁄2" (Composite models) socket wrench, designed for barrels with a 31⁄2" chamber.
remove the stock bolt nut and stock bolt washer. • Never use a rifled barrel on a shotgun that was designed
(Figure 18). for non-rifled barrels.
4. Completely remove the buttstock from the receiver, • Never use any other barrel from any other manufacturer
along with the existing shim, and install the shim you on your shotgun. Some other brands may seem similar,
have selected. Make certain you have the proper shim but the barrels are not interchangeable.
installed and in the proper position before reattaching • Never use any barrel from other Winchester shotguns,
the buttstock and recoil pad (Figure 19). including those for the Super X® Model 1 or Super X® 2.
5. When you are satisfied with the fit, reattach the
FAILURE TO FOLLOW THESE INSTRUCTIONS COULD
buttstock to the receiver with the washer and the nut.
RESULT IN INJURY TO YOURSELF OR OTHERS.
6. Snug the nut down with the socket wrench, do
not overtighten. MOUNTING A SCOPE
7. Attach the recoil pad with care, so as not to scratch or
Some models are designed to accept a scope or other
mar the finish of the stock.
optical sight; usually these are turkey and deer models.
The receiver tops of some of these models are drilled and
USE OF EXTRA BARRELS tapped for scope bases, while other models are equipped
The versatility of your new shotgun can be extended with with a cantilever scope base. If your shotgun has a
an extra barrel. All shotgun barrels are interchangeable cantilever mount, follow the mounting instructions
supplied with your scope rings and/or scope. If your

25
shotgun’s receiver is drilled and tapped for scope mounts, receiver using a very small, thin-bladed gunsmithing-
four holes (in line, in pairs on top of the receiver) will be type screwdriver.
visible. They are fitted with filler screws. If your shotgun 6. Pre-position the bases on the receiver top to determine
is drilled and tapped you must adhere to the following: the best orientation of the bases. Most bases have
WARNING: YOUR SHOTGUN IS DRILLED AND TAPPED transverse grooves cut into them that are offset from
FOR THE MOUNTING OF BASES AND RINGS TO the middle. These are the grooves that the crossbolts
in your scope rings will pass through. The grooves
ACCOMMODATE AN APPROPRIATE SCOPE OR SIGHT.
are offset to allow you to position the bases to fit the
ALWAYS USE THE CORRECT BASES FOR THIS SHOTGUN design/length of your scope and the placement of
WITH THE APPROPRIATE LENGTH SCREWS WHICH ARE the scope front to rear for proper eye relief. Place
AT LEAST 11⁄32" IN LENGTH. both grooves to the rear, both to the front, or one
To mount scope bases on your shotgun, perform the in each direction, depending on the desired position of
following steps: your scope.

1. COMPLETELY UNLOAD YOUR SHOTGUN. INSPECT THE 7. Once you know which configuration you will use,
CHAMBER, FEED MECHANISM AND MAGAZINE TO insert the screws through the bases and screw them into
the receiver top using the correct wrench or screwdriver
MAKE SURE THEY DO NOT CONTAIN ANY SHELLS.
(usually a 3⁄32" hex wrench).
Leave the action open. Make sure you place your
shotgun on a table or other safe/secure location. Protect YOU MUST USE SCREWS WHICH ARE AT LEAST 11⁄32" IN
the finish with rags or other padding. LENGTH TO ENSURE PROPER THREAD ENGAGEMENT.
ONCE THE BASES ARE INSTALLED, CHECK INSIDE THE
2. You should have a compatible one- or two-piece style
base and four screws of at least 11⁄32" in length. RECEIVER TO VERIFY THAT THE BASE MOUNTING
SCREWS ARE NOT TOO LONG AND INTERFERING WITH
3. Clean all oil, grease or dirt from the receiver top and THE OPERATION OF THE BOLT.
from the scope base parts.
Many gunsmiths find it helpful to use a drop of serviceable
4. Position your shotgun in the upright position with the thread locking compound to assure the screws stay tight.
top of the receiver upward. Make sure the thread locking compound does not get into
5. Remove all four filler screws from the top of the the action.
26
 FIGURE 20

Barrel Extension

Gas Bracket
Bolt

Operating Handle
Piston Sleeve Gas Piston
Bolt Slide Link
Bolt Slide Piston Sleeve Spring

Magazine Tube Magazine Cap

Magazine Follower Three-Shot Adapter (Plug) Magazine

Spring Retainer

Magazine Spring
Trigger Group

Trigger Group Pins (2)

Forearm

27
BE CAREFUL TO ASSURE THAT THE THREADS OF EACH BEFORE ANY ASSEMBLY OR DISASSEMBLY
SCREW ENGAGE PROPERLY IN THE THREADS IN THE PROCEDURES, COMPLETELY UNLOAD YOUR SUPER X3
RECEIVER TO PREVENT STRIPPING THE THREADS IN THE SHOTGUN. INSPECT THE CHAMBER, FEED MECHANISM
ALLOY RECEIVER. AND MAGAZINE TO MAKE SURE THEY DO NOT CONTAIN
8. Tighten the screws snugly, but do not over tighten. ANY SHELLS. PLACE THE SAFETY IN THE “ON SAFE”
POSITION. ALWAYS WEAR EYE PROTECTION WHEN
9. Mount your scope rings and scope as outlined in the
PERFORMING ANY MAINTENANCE OR DISASSEMBLY.
instructions supplied with your scope rings and/or scope.
Always make sure you have the proper eye relief. REMOVAL OF THE TRIGGER GROUP —
Always make sure that the saddle crossbolts and the cap Removing the trigger group is another necessary procedure
bolts are fully tightened before using your shotgun. in performing thorough maintenance of your shotgun. It is
easy to do and removing it allows you to perform cleaning
TRIGGER GROUP MAINTENANCE and maintenance whenever and wherever required.
One of the advantages of your shotgun is the ability to Full disassembly involves removal of the bolt assembly and
easily disassemble it for cleaning (Figure 20). Under very the trigger group. Any disassembly beyond this should
harsh weather conditions and in dirty environments just only be performed by a qualified gunsmith.With the
knowing that parts are clean and lightly oiled can add an trigger group and bolt assembly removed, it is easy to wipe
extra measure of confidence to your shooting experience. out any accumulated debris or moisture in the receiver.
Make sure you have a clean place to work and a good 1. Make sure the firearm is completely unloaded. Place the
place to put the components as they are disassembled. safety in the “on safe” position and leave it there during
disassembly and cleaning. This assures that the hammer
WEAR EYE PROTECTION AT ALL TIMES. NEVER
does not inadvertently fall forward during cleaning.
DISASSEMBLE BEYOND WHAT IS EXPLAINED AND
SHOWN IN THIS OWNER’S MANUAL. 2. Under most circumstances, first remove the barrel and
gas system components as explained under “Initial
Disassembling the action can be done in the field, but Assembly/Takedown” on page 10. It is acceptable for
remember, there are small parts involved, some of which the trigger group to be removed without removing the
are under spring tension.

28
 FIGURE 21 FIGURE 22

Pull the pins

completely free
from the receiver
Push out the trigger guard
with your fingers.
pins. Be careful not to mar or
scratch the receiver.

barrel, although it makes sense to remove the barrel if a suitable surface that will protect the receiver finish
you are cleaning your firearm. and stock.
3. After removing the barrel and forearm, it is good 6. With the firearm inverted, (trigger guard up) use a
practice to immediately screw the magazine cap back drive punch or similar object to push inward on the
onto the magazine to secure the magazine spring trigger group pins, using caution not to scratch the
retainer. receiver (Figure 21). In the field, the end of the bolt
4. IMPORTANT: THE BOLT MUST BE SLOWLY MOVED slide link can be used to start the two pins out (of
FROM THE OPEN TO THE FORWARD, CLOSED course you will have to remove the bolt assembly as
POSITION. You must hold the operating handle with described below before doing this). Trigger group
one hand while depressing the carrier release button pins may be removed from either side of the receiver.
with the other. Use extreme caution. If you allow the Push the trigger group pins clear through to the other
bolt assembly to slam closed with the barrel removed side of the receiver and pull them the rest of the way
you can damage the receiver and affect the function of out using your fingers (Figure 22).
your firearm.
7. Grasp the trigger group and pull it up and out of the
5. Place your firearm with the trigger guard facing up, on receiver (Figure 23).

29
 Lift the trigger group from FIGURE 23 closed with the barrel removed you can damage the
the receiver. receiver and affect the function of your firearm.
2. Insert the trigger group back into the receiver. The
holes in the trigger group should line up with holes on
each side of the receiver. (If the hammer on the trigger
group has been inadvertently uncocked during
cleaning, it simplifies assembly if it is recocked. Do
this by simply pulling the hammer back fully until it
locks rearward.)
3. Reinsert the trigger guard pins, pushing them in with
your hand or gently tapping them into place with a
8. Perform any cleaning of the parts and receiver cavity plastic or wooden mallet, again using caution not to
as necessary. scratch the receiver.
For cleaning purposes no further disassembly is necessary 4. Complete assembly by installing the gas system, barrel
or recommended. Do not disassemble the trigger group. and forearm as explained under “Initial Assembly and
Doing so may void your warranty. For repairs that require Takedown” on page 10.
further disassembly contact a Winchester Firearms
Authorized Repair Center or a qualified gunsmith as BOLT MAINTENANCE
explained under “Parts, Service, Repair and Questions”
on page 37. The bolt can be removed for normal maintenance or if
the action becomes excessively dirty or wet. This shotgun
REINSTALLATION OF THE TRIGGER GROUP — is designed to allow full disassembly of the bolt assembly
1. Make sure the bolt is in the forward position. If the bolt in the field, without any tools. Although it is possible to
is not already forward, carefully and slowly lower it to remove the bolt with the trigger group in place, the
the closed position as explained previously. Use correct procedure when removing the bolt is to always
extreme caution. If you allow the bolt assembly to slam remove the trigger group first. Removing the bolt without

30
removing the trigger group could allow the bolt to spring 4. Remove the operating handle by pulling the handle
out the front of the receiver, damaging or losing parts or outward, to the right, away from the bolt. It is held in
causing injury to you or others. place with a ball-detent system that may take a little
REMOVAL OF THE BOLT ASSEMBLY —
effort to pull free.

1. Remove the barrel assembly as explained previously 5. Slide the bolt and bolt slide forward and out of the
under “Initial Assembly and Takedown” on page 10. front of the receiver (Figure 24).

2. Make sure the bolt is in the forward position. If the bolt 6. The bolt and bolt slide can be separated for cleaning
is not already forward, carefully and slowly lower it to (Figure 25). Perform any cleaning of the bolt and
the closed position as explained previously. Use receiver cavity as necessary.
extreme caution. If you allow the bolt assembly to slam DO NOT DISASSEMBLE THE BOLT ASSEMBLY BEYOND
closed with the barrel removed you can damage the THIS POINT.
receiver and affect the function of your firearm.
REINSTALLATION OF THE BOLT ASSEMBLY —
3. Remove the trigger group as explained under
Under usual conditions, the trigger group should also
“Trigger Group Maintenance.”
have been removed at this point. Reinstallation of

FIGURE 24 FIGURE 25

Bolt
Separate the bolt and bolt
slide for easy cleaning.
Bolt Slide

Remove the bolt assembly forward, out the front of the receiver.

31
 FIGURE 26 FIGURE 27
Reassemble the bolt
and bolt slide.

When installing the bolt assembly, make sure you install it

link end first. Line up the rails with the receiver.

the bolt assembly is easier with the trigger group removed. IMPORTANT: When your firearm is fully assembled,
1. Reassemble the bolt and bolt slide as shown (Figure 26). if it will not function properly and the action will not
open, the bolt slide link is likely not properly placed in
2. Align the rails on the bolt slide with the matching slots the recoil spring follower socket.
in the bottom of the receiver and slide the bolt
assembly into the receiver, bolt slide link end first
(Figure 27). Press the carrier release button to fully FIGURE 28
insert the bolt into the receiver.
3. Guide the bolt slide link into its socket in the recoil Carefully guide the bolt
spring follower (Figure 28). The socket can be seen at slide link into its socket
Bolt Slide Link
the rear of the receiver cavity. It is the cupped-shaped in the recoil spring
part that forms a recess for the bolt slide link to rest in. follower. This must be
done correctly or your
Become familiar with how the slide fits into the socket. Socket in the recoil
firearm will not function.
It helps to keep the receiver pointing slightly upward to spring follower.
assure that the bolt slide link does not come out of the
recoil spring follower until the barrel is reinstalled.

32
 FIGURE 29 7. With the trigger group installed, pull the bolt fully back
until it locks in the rearward position.
TO PREVENT DAMAGING THE RECEIVER, DO NOT
PRESS THE CARRIER RELEASE BUTTON UNTIL YOUR
SHOTGUN IS COMPLETELY ASSEMBLED.
Replace the operating 8. Replace the gas system, barrel and forearm as
handle by pushing it in explained previously.
until it snaps into place in
the spring-detent. You can 9. Again, pull the bolt fully to the rear until it locks open.
feel it snap into position. If it will not complete its rearward movement and will
not lock rearward, you have not properly installed the
bolt slide link into its socket in the recoil spring
4. Replace the operating handle by pushing it in
follower. Refer back to step 3.
(concave side toward the front) until it engages in
the ball-detent (Figure 29). 10. With all parts installed (including the barrel) your
shotgun is fully assembled. It is now allowable to lock
5. Again, observe that the bolt slide link and recoil spring the bolt rearward then let it slam forward (closed) by
follower are properly engaged. You can also confirm pressing the carrier release button. Be sure to always
this by pulling back a bit on the operating handle. You keep your fingers clear of the ejection port when
will feel the recoil spring compress as you pull back. Do closing the action.
this very slowly, and make sure you control the bolt as
the bolt slide link may not be properly seated into the NOTE: It is possible to fit the bolt slide link into the
recoil spring follower socket. If not engaged correctly, recoil spring follower even with the trigger group
repeat step 3, making sure that the bolt slide link is installed, by holding the firearm vertically and aligning
installed correctly. Remember the bolt cannot lock the link into the socket while looking through the
rearward with the trigger group removed. operating handle slot on the right side of the receiver.
This is handy if you are simply reattaching the barrel
6. Reinstall the trigger group as explained previously assembly after storage and the bolt has inadvertently
(if it was removed). moved forward and the bolt slide link has come out of
the socket.
33
CLEANING AND MAINTENANCE SUGGESTIONS SURE THEY DO NOT CONTAIN ANY SHELLS. ALWAYS
PLACE THE SAFETY IN THE “ON SAFE” POSITION BEFORE
Your shotgun will function better and more reliably over
a longer period of time if it is properly maintained and BEGINNING ANY CLEANING PROCEDURE.
kept clean. 1. Use a cleaning rod with a tip and patch suitable for the
size of your shotgun’s bore. Make sure the patch is large
BEFORE PERFORMING ANY CLEANING PROCEDURES,
enough for a snug fit in the bore. Remove the barrel as
COMPLETELY UNLOAD YOUR SHOTGUN. INSPECT THE
explained previously and insert the rod and patch into
CHAMBER, FEED MECHANISM AND MAGAZINE TO MAKE the barrel at the receiver end and run it back and forth
SURE THEY DO NOT CONTAIN ANY SHELLS. several times.
You should clean your shotgun after every day of shooting 2. Inspect the chamber and bore for lead and powder
and more often if it becomes excessively dirty. fouling. A normal amount of powder residue can be
A minimum cleaning includes wiping down the action expected and is not serious. It can usually be removed
and oiling key parts. Most regular maintenance will also by repeating step one, using a patch saturated with
include cleaning the barrel. If you encounter a function solvent. If, or when fouling should become heavy, it
problem be sure to give your firearm a thorough cleaning can be removed with a brass bore brush. Dip or spray
to see if it solves the problem before seeking the services the brush with solvent and scrub the chamber and bore
until the fouling is removed. To prevent brass bristles
of our service facility or a qualified gunsmith. To clean
from breaking off, the brush should be pushed
your firearm, adhere to the following general guidelines.
completely through the bore before being withdrawn.
CLEANING PROCEDURES —
3. After the fouling has been removed the bore should
ALWAYS WEAR PROTECTIVE SAFETY GLASSES DURING be wiped dry. Then pass a slightly oiled patch through
ALL CLEANING PROCEDURES. KEEP AMMUNITION AWAY the bore for preservation. A fine, light gun oil is
FROM THE CLEANING AREA. DO NOT TEST THE FUNCTION recommended.
OF YOUR FIREARM WITH LIVE AMMUNITION. 4. Wipe all exposed metal surfaces of the receiver,
COMPLETELY UNLOAD YOUR SHOTGUN. INSPECT THE forearm and barrel with a clean rag. Finger marks
CHAMBER, FEED MECHANISM AND MAGAZINE TO MAKE should be removed because they provide a place where

34
 moisture can accumulate. Any dried oil in the receiver CLEANING THE ACTION AND TRIGGER GROUP —
area should also be removed. 1. When the action becomes excessively dirty, remove the
5. Lightly oil your firearm at the points described under trigger group and bolt assembly from the receiver as
“Initial Cleaning and Oiling” on page 4. Ordinary good explained under “Bolt Maintenance” on page 30.
judgment will, of course, indicate that the metal of the Clean with a good quality light oil, a gun solvent or
firearm should receive a light film of oil any time the spray “scrub” as necessary, using an old toothbrush to
firearm has been exposed to weather or handling. This loosen any caked-on grime. Wipe the receiver cavity
is very important and must be done with every firearm clean. Lightly oil the cavity and wipe it dry. No further
— even stainless steel models. Remember, the polished, disassembly is required for cleaning.
finely fitted surfaces of the receiver and action 2. Reassemble as explained previously and wipe all
mechanisms must always have a thin film of oil. Make exposed metal surfaces with an oiled cloth, making
sure that the surfaces of the bolt are especially clean sure to wipe clean all finger marks where moisture
and lightly oiled with a high quality gun oil. will accumulate.
6. INSPECT THE BARREL AND CHAMBER. MAKE CERTAIN 3. The barrel and action should be inspected to assure
THAT NO PATCHES HAVE BEEN INADVERTENTLY LEFT that all cleaning patches have been removed and not
IN THEM. REMOVE ANY THAT REMAIN. inadvertently left in the barrel or action.
7. Wipe all wood surfaces with a soft cloth. CLEANING THE GAS SYSTEM —
8. When transporting only, store your shotgun in a 1. Remove the gas piston and piston sleeve from the
quality protective case to prevent scratches and dents. magazine tube. Do no attempt to disassemble gas
Store in a dry place to prevent corrosion. Store away piston components, it is not necessary for normal
from children. maintenance and risks losing parts and damaging
your firearm. Spray the magazine tube with a good
ALWAYS STORE AMMUNITION SEPARATELY.
quality powder solvent and wipe clean.
COMPLETELY UNLOAD YOUR SHOTGUN. INSPECT THE
CHAMBER, FEED MECHANISM AND MAGAZINE TO MAKE 2. Spray the gas piston and gas bracket with a good quality
powder solvent. Brush them thoroughly to remove any
SURE THEY DO NOT CONTAIN ANY SHELLS.

35
 deposits using an old toothbrush. Spray the inside of break off and lodge in the threads, making installation
the gas piston and gas bracket and wipe off any carbon and removal of choke tubes difficult.
buildup. A green Scotch-Brite® kitchen scrub pad works 2. Regularly remove your firearm’s choke tube in order to
best for removal of heavy carbon fouling on the magazine clean and oil the threads inside the barrel, as well as on
tube and inside the gas piston. Do not attempt to remove the choke tube itself. This will protect the threads from
the spring inside of the gas piston. being damaged and also prevent a dirt build-up that
NEVER USE A STEEL BRUSH ON ANY OF THE GAS would cause the choke tube to become difficult to
SYSTEM COMPONENTS. remove from the barrel. Clean the threads with solvent
and a small, soft brush like a toothbrush. Wipe
3. Complete the cleaning of the gas system by applying completely clean and leave a thin film of clean oil on
a very light film of gun oil to all parts for protection the threads — both on the tube and in the barrel. The
and lubrication. threads of the choke tube and the internal threads of
CLEANING THE MAGAZINE — the barrel should be cleaned after each use and before
It is a good idea — especially if your firearm becomes the installation of a tube.
excessively dirty or very wet — to occasionally clean the 3. Be careful when removing/installing a tube. Use the
magazine system. Remove the magazine spring retainer, specially designed wrench. Damage can result to both
plug, magazine spring and magazine follower, following the choke tube and barrel when attempting to remove
the instructions under “Magazine Three-Shot Adapter sticky choke tubes.
(Plug)” on page 18 in this owner’s manual. Clean the 4. Never fire your shotgun or run cleaning tools through
inside of the magazine tube using a rod and patch just as the barrel of any choke-tubed firearm without having
you would clean a barrel. Carefully wipe off the magazine the choke tube installed.
spring and plug. Very lightly oil each component.
Reinstall all parts as explained earlier. NEVER ATTEMPT TO DISASSEMBLE YOUR SHOTGUN
FURTHER THAN EXPLAINED IN THIS OWNER’S MANUAL.
CLEANING THE INVECTOR-PLUS™ CHOKE SYSTEM —
This is a specialized, finely fitted mechanism. You may
1. Do not use a brass brush to clean your barrel unless a permanently mar it by attempting to disassemble the
choke tube is installed in the barrel. Bristles could inner mechanism assemblies. If further disassembly for

36
service or cleaning is required, take your firearm to a like those found in DEET-containing insect repellents,
Winchester Firearms recommended Authorized Repair sunscreens, etc. Damage to camouflage, Dura-Touch
Center or a qualified gunsmith as explained under and other finishes caused by chemicals is irreversible
“Parts, Service, Repair and Questions” on page 37. and unrepairable.
OTHER CLEANING SUGGESTIONS —
PARTS, SERVICE, REPAIR AND QUESTIONS
• Never pour large quantities of oil into the receiver or If your Winchester rifle or shotgun should ever need service
other parts. It can drain down to the wood and soften or repair, it is often best to utilize one of our Authorized
it, causing permanent damage and loosening of Repair Centers. In some cases it is appropriate to use the
the stock. Winchester Rifles and Shotguns Service Center in
• After extended periods of heavy use, your shotgun Arnold, Missouri. A list of Authorized Repair Centers was
should be taken to a qualified gunsmith to have included with your new firearm. If you need a new listing,
the action disassembled for professional cleaning contact us. We can help you determine the best place to
and lubrication. service your firearm.
In order to avoid delays, it is important to never send your
CLEANING PARTS WITH SPECIAL FINISHES — gun directly to our facility without direct authorization
Be especially careful when cleaning firearms with from one of our service specialists. This avoids possible
camouflage, Dura-Touch® Armor Coating and other delays in obtaining service. Contact us at (800) 322-4626
special finishes. Always prevent these surfaces from for details on how to receive service before sending
coming in contact with cleaning solvents, barrel scrubbers your gun.
and other strong chemicals. It is preferable to clean these Parts listings, Authorized Repair Center lists, service
surfaces with a light gun oil containing no solvents or procedures, service/repair form and general product
with a damp cloth and mild dish soap (be sure to keep information are also found on the Web at:
water out of the action). When cleaning your firearm’s www.winchesterguns.com.
bore and action, protect the external finishes from any When returning your firearm for servicing, you must do
contact with chemicals used. Also, avoid any contact the following:
between external finishes and other strong chemicals

37
1. Be sure it is completely unloaded. GENERAL PRODUCT AND HISTORICAL QUESTIONS —
2. Remove the scope or other optics. Winchester Rifles and Shotguns
3. Package it securely in a cardboard container. Customer Service
BACO, Inc.
4. When sending your firearm, enclose the service/repair 275 Winchester Avenue
form available at www.winchesterguns.com or a letter Morgan, UT 84050-9333
that clearly describes the trouble experienced, the
(800) 945-5237
ammunition used and the repairs desired. Also include
your name and a daytime phone number where you can CAUTION: PARTS ARE MADE FOR WINCHESTER BRAND
be reached. FIREARMS MANUFACTURED BY OR FOR WINCHESTER
5. If convenient, send a copy of the service/repair form or RIFLES AND SHOTGUNS, AND SHOULD NOT BE USED IN
letter to us separately. OTHER GUNS, EVEN THOUGH MODELS MAY BE SIMILAR.
6. Never return ammunition with your firearm. It is IMPROPERLY FITTED PARTS MAY BE DANGEROUS.
against postal and most commerce regulations.
WEBSITE INFORMATION
PARTS, SERVICE, REPAIR STATUS
AND TECHNICAL QUESTIONS — An information resource for Winchester Rifles and
Shotguns is found on the World Wide Web.
Winchester Rifles and Shotguns
Parts and Service • List of Authorized Repair Centers.
BACO, Inc. • Customer Service information.
3005 Arnold Tenbrook Road
Arnold, MO 63010-9406 • Firearm Service/Repair Form.
(800) 322-4626 • Answers to many technical and historical questions.
• Links to helpful sites.
Go to: www.winchesterguns.com

38
NOTES

39
NOTES

40
NOTES

41
 Licensee
Licensee

Winchester Rifles and Shotguns

BACO, Inc.
275 Winchester Avenue
Morgan, UT, U. S. A. 84050-9333
winchesterguns.com

Winchester is a registered trademark of Olin Corporation.