The Precision Reflex MK12 Mod 0 SPR Gen III 5.56mm 18" BBL 1-7 Twist Upper FDE is a complete upper receiver assembly built around an 18" Douglas 416 stainless steel barrel with a 1-7 twist and...

The ATI Milsport AR-15 Complete Upper 16" Barrel With 15" M-LOK Rail is a ready-to-run upper assembly designed to drop onto any Mil-Spec AR-15 lower. Built around a 16" steel barrel with a 1:8 twist...

The FightLite DFX Upr 556 Pic 12.5" Blk Drop-On Upper Receiver Group brings belt-fed capability to your standard AR15 platform in a compact, purpose-built package. Designed around a heavy-duty,...

The FightLite DFX UPR 556 PIC 16.25" BLK is a drop-on upper receiver group engineered to bring dual-feed versatility to any MIL-Spec AR15, M16, or M4 lower. Built around a heavy-duty, free-floating...

The TacFire BU30810 10" 308W Built Upper With BCG is a complete upper receiver assembly designed around the .308 Winchester cartridge. Featuring a compact 10-inch barrel and an included bolt carrier...

The Gemtech Integra .300 Blackout Complete Suppressed Upper Assembly brings integrally suppressed performance to the AR-15 platform in a sleek, purpose-built package. Built in partnership with Nemo...

The Stern Defense 015SD8INCHMOD5MLOK6INC 45ACP 6" Black Melonite Barrel Aluminum Anodized Receiver is a complete AR-15 upper assembly built around a dedicated .45 ACP system. It combines a 6-inch...

The Luth-AR BA-F14-7C 14.5" SOCOM Barrel Assembly with Front Sight Base brings together a chrome lined 14.5 inch M4 SOCOM profile barrel, an A3 flattop upper receiver, and a classic two-piece...

The DPMS Panther Arms Kitty Kat .300 AAC Blackout Upper pairs a compact 7.50" black nitride barrel with a rugged DPMS 6.5" quad rail handguard, creating a short, purpose-built AR-15 upper assembly...

The Battle Arms Development Bad 16 Uppr Workhorse 556 Ambi C Blk is a complete AR-15 upper receiver assembly built around a forged 7075-T6 aluminum WORKHORSE receiver and matching free-float M-Lok...

The Battle Arms Development Bad 10.5 Uppr Auth Elite 556 C Blk is a complete AR-15 upper receiver built around a billet BAD556 7075-T6 aluminum receiver and a free-float M-Lok handguard. Its 10.5" 5...

The Aero Precision M4E1-T Pro Upper Receiver Group 16 ODG delivers a refined, ready-to-run upper assembly for shooters who want a rigid, feature-rich AR-15 top end. Built around the M4E1 threaded...