The Andro Corp Industries ACI U556103ML 556 10.3" NATO MLOK Upper is a compact AR-15 upper receiver assembly designed around a 10.3 inch 5.56 NATO barrel and a slim M-LOK handguard. This...

The ATI Milsport Complete Upper .300 BLK 8.5" Barrel 7" M-LOK Handguard & Polymer Flip-Up Sights offers a compact, ready-to-mount upper assembly for your AR-15 pattern lower. Built around an 8.5-inch...

The ATI Milsport Complete Upper .300 BLK 16" Barrel 15" M-LOK Handguard & Polymer Flip-Up Sights delivers a ready-to-run upper assembly built around American Tactical’s proven Mil-Sport platform...

The Aero Precision M5 .308 Win Assembled Upper Receiver No Auto Sear Cut For AR-15 Black provides a clean, ready-to-build foundation for your large-frame AR project. Precision machined and finished...

The Andro Corp Industries ACI U5568ML 5.56 8" NATO M-LOK Upper is a compact AR-15 upper receiver assembly designed for shooters who want a short, maneuverable platform built around the proven 5.56...

The TacFire BU-556-11.5 556 Rfl Upper 11.5 W/BCG is a complete AR-15 upper assembly designed for shooters who want a compact 5.56 platform that is ready to pin onto a compatible lower. Built around...

The Andro Corp Industries ACI U30016ML 300BO 16" MLOK Upper is a complete AR-15 upper assembly built around a 16-inch barrel and a slim, free-floating M-LOK handguard. Designed for shooters who want...

The Shark Coast Tactical SCTCU556-8BLK Complete Upper 5.56 8" is a dedicated upper receiver assembly designed for shooters who want a compact, purpose-built AR platform from a trusted builder. This...

The Midwest MI URG (Upper Receiver Group) - 11.5 .223 Wylde Criterion CORE - 10.5 Combat Rail HD is a purpose-built AR-15 upper designed for shooters who demand precision and reliability. Built on a...

The Andro Corp Industries ACI U3008ML 300BO 8" M-LOK Upper is a compact AR-15 upper receiver assembly designed around the versatile .300 Blackout cartridge. Featuring an 8-inch barrel with a...

The Shark Coast Tactical SCTCU556-10BLK Complete Upper 5.56 10" is a dedicated upper receiver assembly designed for shooters who want a compact AR-style platform built around the proven 5.56...

The TacFire BU-308-12 308 Pistol Upper 12" With BCG is a complete .308 Winchester upper assembly designed to drop onto your compatible AR-pattern lower. This compact upper features a 12-inch barrel...