The Colt Le6933 Eprii Pro Upper 11.5 Hux is a complete upper receiver assembly built around an 11.5" chrome-lined barrel chambered for .223 Remington/5.56 NATO. Designed to drop onto standard AR-15...

The Colt LE6933 EPRII Pro Upper 11.5" SF is a complete upper receiver assembly built for shooters who want Colt’s proven reliability in a compact AR-15 configuration. Chambered for .223 Remington/5...

The Luth-AR M4 Government Profile upper is a complete A3 flat-top upper for an AR-15, built on a 14.50" M4 Government profile barrel in 5.56 NATO. The barrel is made from 4150 steel with a 1:7 twist...

The CMMG ZEROED Banshee MkG suppressed complete upper puts a quiet .45 ACP setup on the Banshee MkG platform in one assembled group. The 6.50" barrel runs an MT contour with a 1:16 twist, a rate well...

The Luth-AR Retro A1 Upper Receiver is an assembled slick-side upper for builders chasing an early-pattern AR-15. It is machined to final dimensions from 7075-T6 aluminum forgings, with correct...

The Gemtech GVAC Upper Group is an AR-15 upper group chambered in 5.56 NATO with an 11.50" barrel. The 5.56 NATO chamber runs both 5.56 NATO and .223 Remington ammunition, so the upper handles range...

The HK MR556A4 upper receiver kit brings HK's piston and pusher rod operating system to a mil-spec AR-15 lower, so an existing rifle can run the same piston design found across the MR556 family...

The Gemtech GVAC Upper Group is an AR-15 upper group chambered in 5.56 NATO with a 14.50" barrel. The 5.56 NATO chamber runs both 5.56 NATO and .223 Remington ammunition, and the 1:8 twist stabilizes...

The Bushmaster 0040017BLK QRC Complete Upper delivers a ready-to-run AR-15 top end built around a 16" 4150 CMV barrel with a durable black nitride finish and A2 birdcage flash hider. Its forged...

The Faxon Firearms FX338A2125-U Complete Upper 338 ARC 12.50" Black Anodized Barrel is a purpose-built upper receiver assembly for shooters who want to step into the 338 ARC cartridge with a compact,...

The Savage MSR15 Competition Upper Receiver .223 Rem/5.56mm 18" Barrel Black is purpose-built to deliver match-ready performance for serious AR shooters. It features a Savage by Proof Research 18"...

The Angstadt Arms Vanquish Integrally Suppressed AR9 Upper 9mm Luger 10.5" Black brings a refined, integrally suppressed design to the AR-9 platform. Its patented zero-baffle, ported 10.5" barrel...