Complete Upper Receivers

The WORKHORSE complete upper receiver is purpose-built around the forged WORKHORSE 7075-T6 aircraft-grade aluminum receiver and free-float rail handguard with M-LOK attachment point at 3, 6, and 9 o'clock positions. At 12 o'clock is a full-length...

The WORKHORSE complete upper receiver is purpose-built around the forged WORKHORSE 7075-T6 aircraft-grade aluminum receiver and free-float rail handguard with M-LOK attachment point at 3, 6, and 9 o'clock positions. At 12 o'clock is a full-length...

The heart of the BAD Authority Elite upper receiver is the billet BAD556 7075-T6 aircraft grade aluminum receiver with integral ambidextrous controls and free-float rail handguard with M-LOK attachment points at 3, 6, and 9 o'clock positions. At 12...

The heart of the BAD Authority Elite upper receiver is the billet BAD556 7075-T6 aircraft grade aluminum receiver with integral ambidextrous controls and free-float rail handguard with M-LOK attachment points at 3, 6, and 9 o'clock positions. At 12...

Established in 2009, Battle Arms Development, Inc. (B.A.D. Inc.) stands as a distinguished force in the realm of small arms innovation. Nestled in the heart of Henderson, Nevada, their company is driven by a relentless commitment to pushing the...

High quality components and precise manufacturing makes Angstadt Arms ideal for both new shooters and experienced gun owners. The durability, reliability and excellent build quality will provide years of service you can count on.MANUFACTURER: Angstadt...

Angstadt Arms complete upper receiver pistol assembly is ready to run out of the box with any 9mm AR-15 lower receiver. Featuring the same high quality parts that go into their UDP-9 pistol, this completed upper receiver is compatible with both GLOCK and...

This AR15 Complete Upper features a 10.5" 5.56 Carbine Barrel with Pinned FSB and Magpul MOE M-LOK SL Carbine Handguard.MANUFACTURER: Aero PrecisionMPN: APAR502505M3MODEL: AR-15 Complete UpperType of Barrel: 01:07:00Barrel Length: 10.5"Finish:...

This AR15 Complete Upper features a 14.5" 5.56 MId-Length Barrel with low profile gas block and 12.7" M-LOK Rail.MANUFACTURER: Aero PrecisionMPN: APAR700714M5MODEL: M4E1-TType of Barrel: 01:07:00Barrel Length: 14.5"Finish: AnodizedFit: AR-15Caliber: 223...

This AR15 Complete Upper features a 14.5" 5.56 MId-Length Barrel with low profile gas block and 12.7" M-LOK Rail.MANUFACTURER: Aero PrecisionMPN: APAR700704M5MODEL: M4E1-TType of Barrel: 01:07:00Barrel Length: 14.5"Finish: AnodizedFit: AR-15Caliber: 223...

Rock River Arms A4 mid-length upper comes chambered in .450 Bushmaster with a 16" chrome moly 1/24 twist barrel. Additionally this upper includes a RRA 13" M-Lok compatible lightweight free float rail and a RRA Operator Brake (5/8-32 thread). This is a...

Rock River Arms complete Tactical Carbine upper is an A4 upper chambered in .458 SOCOM with a 16" chrome moly bull barrel and 1:14 twist. Additionally the upper comes with a complete bolt carrier group, charging handle assembly, 15" RRA lightweight M-Lok...