Complete Upper Receivers

WMD Guns is what happens when you bring together a diverse team of experts at the top of their fields. They have united metallurgists, chemists, gunsmiths and plating engineers to establish one of...

WMD Guns is what happens when you bring together a diverse team of experts at the top of their fields. They have united metallurgists, chemists, gunsmiths and plating engineers to establish one of...

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...

The Radical Firearms 5.56mm upper is a complete MIL-STD upper ready to drop on any MIL-STD lower Receiver. Perfect for the novice or advanced shooter wanting to finish out that build and hit the...

The durability, reliability and excellent build quality of Colt uppers will provide years of service you can count on.Features :Upper ReceiverM-LOK Handguard223 Rem/556NATO

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...

Spikes complete upper assemblies will arrive to you inspected, tested, and ready to drop-in and go to work. Spikes maintains the same high standard of tolerances and attention to detail as the uppers...

These L89 Upper Receiver Groups are built using SOLGW forged upper, V2 Button rifled barrels, their V2 4140 gas block, and offered in a variety of length and muzzle device options. BCH and Charging...

Nordic Components' 22RB dedicated 22 upper receiver converts your standard AR-pattern lower to a dedicated .22LR for recreational shooting, training, and hunting. The 22RB is manufactured using the...

Sons of Liberty Gun Works believes in Quality Mil-Spec or better parts. They believe there is no substitute for quality and that your gun should be built right the first time, ready for hard use...

Sons of Liberty Gun Works believes in Quality Mil-Spec or better parts. They believe there is no substitute for quality and that your gun should be built right the first time, ready for hard use...

This complete upper includes the ATLAS S-ONE Handguard! The S-ONE line of handguards are designed with size and weight in mind, providing the perfect addition to your lightweight build. The...

This AR15 Complete Upper features a 16" 5.56 MId-Length Barrel with Pinned FSB and Magpul MOE Handguard.Features :Upper: Standard AR15 Upper Receiver"Barrel: 16" 5.56 Carbine Barrel with Pinned...

This AR15 Complete Upper is the same upper receiver used in the AERO M16A4 Special Edition Complete Rifle and features a 20" 5.56 Barrel with Pinned FSB, A2 Handguard and A2 Detachable Carry Handle...

This complete upper includes the ATLAS S-ONE Handguard! The S-ONE line of handguards are designed with size and weight in mind, providing the perfect addition to your lightweight build. The...

Black Rain Ordnance, Inc. is a precision rearms manufacturer specializing in the modern sporting rifle design. Founded in 2009 with a benchmark to only manufacture weapons we would personally be...

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...

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...

This AR15 Complete Upper features a 16" 5.56 MId-Length Barrel with Pinned FSB and Magpul MOE Handguard.Features :Upper: Standard AR15 Upper Receiver"Barrel: 16" 5.56 Carbine Barrel with Pinned...

The M5 308 come with the S-ONE line of handguards which is designed with size and weight in mind, providing the perfect addition to your lightweight build. The proprietary ATLAS attachment system is...

The M5 308 come with the S-ONE line of handguards which is designed with size and weight in mind, providing the perfect addition to your lightweight build. The proprietary ATLAS attachment system is...