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REX Nitrokemia

The document contains data on various bullet and powder combinations for calibers including 9mm, 38 Super, 357 Sig, 38 Special, 40 S&W, 45 ACP, and others. It provides recommended loads in grains of Rex powder to achieve optimal velocities and pressures. The data was developed under controlled conditions at HP White Laboratories. Rex 2 is noted as a favorite powder for 45 Colt loads with 255 grain bullets at 7.2 grains.

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andreibaggi
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643 views6 pages

REX Nitrokemia

The document contains data on various bullet and powder combinations for calibers including 9mm, 38 Super, 357 Sig, 38 Special, 40 S&W, 45 ACP, and others. It provides recommended loads in grains of Rex powder to achieve optimal velocities and pressures. The data was developed under controlled conditions at HP White Laboratories. Rex 2 is noted as a favorite powder for 45 Colt loads with 255 grain bullets at 7.2 grains.

Uploaded by

andreibaggi
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Download as RTF, PDF, TXT or read online on Scribd
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The Rex data on this page was developed in the HP White Laboratories (H.P.

White Laboratories *
314 Scarboro Rd. * Street, MD 21154) under controlled conditions.
lead data section should be used with steel or Bismuth shot.

Produced by NITROKEMIA Hungary

9mm
Bullet Primer Powder Grain Velocity CUP
115 gr FMJ RM 1 1/2 Rex II 4.3 1103 31120
125 gr Lead RM 1 1/2 Rex II 4.3 1059 31670

38 Super
Bullet Primer Powder Grain Velocity CUP
115 gr JHP CCI 500 Rex II 5.6 1169 31380
130 gr FMJ CCI 500 Rex II 4.6 1043 30680
147 gr JHP CCI 500 Rex II 4.0 910 30250
115 gr JHP CCI 500 Rex III 6.3 1223 32300
130 gr FMJ CCI 500 Rex III 5.6 1095 30660
147 gr JHP CCI 500 Rex III 4.8 976 31800

Rex 2 is my favorite powder in .45 Colt. I use 7.2 grains under 255 grain bullets

Rex Powder Data

Charge in Grains

7.63 Luger
Bullet Powder Min Max
93gr FMJ Rex 3 4 4.8
100gr LRN Rex 3 2.6 3

9mm Makarov
98gr Ly (364650) Rex 2 3.9 4.3

9mm Luger
115 gr FMJ Rex 2 4.3
120gr Cast TC Rex 2 4.2 4.8
120gr Cast TC Rex 1 3.6 4
120gr Cast TC Rex 3 4.3 5
124gr Cast TC Rex 2 4.1 4.4
124gr Cast TC Rex 1 3.5 3.9
124gr Cast TC Rex 3 4.3 4.9
125 gr Lead Rex 2 4.3
135gr Cast TC Rex 2 3.9 4.3
135gr Cast TC Rex 1 3 3.5
135gr Cast TC Rex 3 4.1 4.4

9x21
100gr FMJ Rex 1 4.8 5.2
100gr FMJ Rex 2 5 5.4
115gr FMJ Rex 1 4.7 5
115gr FMJ Rex 2 5 5.5
120gr LRN Rex 2 4.6 4.8
120gr LRN Rex 1 3.5 4
120gr LRN Rex 2 4 4.8
120gr LRN Rex 3 4 5
120gr LRN Rex 2 3.7 4.2
120gr LRN Rex 1 4.2 4.5
122 RN BB Rex 2 4.7
122gr RNL Rex 3 4.8 5.5
122 TC BB Rex 3 4.8 5.3
122 TC BB Rex 2 4.6 5.3
123gr FMJ Rex 1 4.5 4.9
123gr FMJ Rex 2 4.6 5
123 FMJ Rex 3 4.8 5.3
124gr TC Rex 1 3.6 4
124gr TC Rex 2 4.2 4.8
124gr TC Rex 3 4.3 5
125gr LRN Rex 3 4.7 5.4
135gr RN Rex 1 3 3.5
135gr RN Rex 2 3.9 4.3
135gr RN Rex 3 4.1 4.4
135gr RN Rex 1 3 3.5
135gr RN Rex 2 3 4.3
135gr RN Rex 3 4 4.4

38 Super
115 gr JHP Rex 2 5.6
115 gr JHP Rex 3 6.3
130 gr FMJ Rex 2 4.6
130 gr FMJ Rex 3 5.6
147 gr JHP Rex 2 4
147 gr JHP Rex 3 4.8

357 Sig
125gr JHP Rex 3 6 8.8
38 Special
115gr SWC-BB Rex 2 5 5.3
115gr SWC-BB Rex 3 5.4 5.7
130gr SWC-BB Rex 2 4.7 5
130gr SWC-BB Rex 3 5.1 5.4
148gr WC Rex 1 2.2 2.5
148gr WC Rex 2 2.6 2.8
148gr WC Rex 3 2.8 3
150gr SWC Rex 2 4.2 4.5
150gr SWC Rex 3 4.6 5.1
158gr SWC Rex 2 4.2 4.5
158gr SWC Rex 3 4.6 5

38 Spl + P
125 gr JHP Rex 2 5
148 gr Lead WC Rex 2 4.1
158 gr Lead SWC Rex 2 4

357 Magnum
148gr WC Rex 1 3.2 5
148gr WC Rex 2 5 6
148gr WC Rex 3 3.5 4
148gr WC Rex 3 5.5 7.5
158gr SWC Rex 1 3.2 5
158gr SWC Rex 2 5 6
158gr SWC Rex 3 5.5 7
158gr SWC Rex 3 4.9 7.5
40 S & W

155 gr JHP Rex 2 5.9


155gr JHP Rex 2 4.8 6
170 FMJ Rex 2 4.7 5.1
170 Cast TC Rex 2 4.2 4.8
170 TC Rex 2 4.7 5.5
170 TC Rex 3 5.2 6.3
170gr Ball Rex 3 6.8
175 gr Lead Rex 2 4.2
175gr JHP Rex 2 4.8 5.5
180 gr LRN Rex 2 5
180 Cast TC Rex 2 4 4.6
180gr Ball Rex 2 4.2 4.6
180gr FMJ Rex 2 5.2
180gr FMJ Rex 2 5.9
180gr FMJ Rex 3 5.8
180gr FMJ Rex 3 5.6
180gr Ball Rex 3 4.4 5.5
180gr Cast TC Rex 3 4.7 5.5
180 gr LRN Rex 3 5.3
200gr Ball Rex 1 4.6
200gr TC Rex 2 4 4.2
200gr Ball Rex 2 3.7 4.4
200gr JHP Rex 2 3.8 4.5
200gr Ball Rex 2 5.3
200gr LRN Rex 3 4.8
200gr Cast RN Rex 3 3.8 4.5
200gr Ball Rex 3 4 4.8
200gr Ball Rex 3 5.2
205gr FMJ Rex 2 4.5
205gr FMJ Rex 3 5
216gr Ball Rex 2 4.1

41 Magnum
170gr LFN Rex 2 9 9.5
210gr JHP Rex 2 8 9.5
220gr JHP Rex 2 8 8.5

44 Rem Mag
200gr SJHP Rex 3 8 12
240gr LSWC Rex 3 7 11
45 ACP
185 gr JHP Rex 2 5.7
200 gr Lead SWC Rex 2 5.3
200gr LRN Rex 2 4.3
200gr Ball Rex 1 3 4.3
200gr Ball Rex 2 4 4.8
200gr Ball Rex 3 4 5.5
200gr Cast TC Rex 1 3.6 4.3
200gr Cast TC Rex 2 4.2 4.8
200gr Cast TC Rex 3 4.8 5.6
200gr FMJ Rex 2 5.2 6
200 LRN Rex 1 3.9 4.2
200 LRN Rex 2 4.5 5.1
200 LRN Rex 3 4.8 5.6
230 gr Lead RN Rex 2 4.8
230gr LRN Rex 3 5.4 5.8
230gr LRN Rex 1 4.2
230gr LRN Rex 2 4.5
230gr Ball Rex 1 3.6 4.7
230gr Ball Rex 2 4.2 6
230gr Ball Rex 3 4 5
230 RNBB Rex 1 3.4 4
230 RNBB Rex 2 3.9 4.5
230 RNBB Rex 3 4.3 5
230 RNFP Rex 3 4.8 5.2

Chart with Rex :

Rex 0 is similar to Bullseye and WW 231.

Rex 1 is similar to Red Dot and Clays.

Rex 2 is similar to Green Dot and International.

Rex 3 is similar to Universal.

I use 13.5 grs. of Rex.-2 in my 41 swiss with the Lee 310 gr. Bullet
38 Spl + P
Bullet Primer Powder Grain Velocity CUP
125 gr JHP WINWSP Rex II 5.0 1043 19400
148 gr Lead WINWSP Rex II 4.1 1021 19990
WC
158 gr Lead WINWSP Rex II 4.0 923 18660
SWC

40 S & W
Bullet Primer Powder Grain Velocity CUP
155 gr JHP WINWSP Rex II 5.9 1075 34570
175 gr Lead WINWSP Rex II 4.2 930 32970
45 ACP

Bullet Primer Powder Grain Velocity CUP


185 gr JHP WINWLP Rex II 5.7 901 17900
200 gr Lead WINWLP Rex II 5.3 949 17440
SWC
230 gr Lead WINWLP Rex II 4.8 857 17780
RN

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