Take advantage of the AR-15's split personality with these quality upper receivers chambered in .22 LR, 300 BLK and .50 Beowulf.

Designed to replace an existing AR-15 upper assembly, DPMS’ blowback-operated, .22 Long Rifle-chambered flat-top uppers are offered in A3 and varmint configurations with 16-inch barrels ...

Sturm, Ruger & Company, Inc. announced the availability of three, AR-style upper receiver assemblies featuring the innovative two-stage, piston driven performance of the SR-556 family.

JP Enterprises introduced the solution for poor-fitting AR-15 and AR-10 upper and lower receivers. Loose receivers especially are the bane of most AR builds. This loose receiver fit is annoying ...

Finally, a small game rifle needs to function flawlessly and be reliable for a fast follow-up shot. The idea of hunting small game with an AR has intrigued me for years.

By simply popping the takedown pins and switching the upper receiver assembly an AR owner can switch from a .22 long rifle or .410 shotgun used for hunting small game, on up to muscle cases like ...

One of the more interesting—and powerful—upgrades for the standard AR-15 rifle is an upper receiver in .458 SOCOM. Although nearly twice as wide as the .223/5.56 cartridge, .458 SOCOM can ...

This rifle is a perfect example of what happens when the do-gooders of the world take it upon themselves to protect us from evil. Once known as the EBR (still my favorite term), and has since become ...