Complete Upper Receivers

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...

The Radical Firearms 6.5 Grendel upper is perfect for the novice or advanced shooter wanting to finish out that build and hit the range. No matter what your style of shooting is, Radical Firearms has you covered.MANUFACTURER: Radical FirearmsMPN:...

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 range. No matter what your style of shooting is, Radical...

The design philosophy behind the Radian Model 1 is simple: use the highest quality raw materials, most precise CNC machining equipment, and best components available to create a weapon that seamlessly blends form and function. Beyond quality and...

The design philosophy behind the Radian Model 1 is simple: use the highest quality raw materials, most precise CNC machining equipment, and best components available to create a weapon that seamlessly blends form and function. Beyond quality and...

The MK1 MOD 1-M line, revamped for 2018, features the PWS long stroke piston system. Internally, this line offers the tried and true system that PWS owners have grown to know and love. Featuring a free-float MLOK handguard, forward assist controls, and a...

The PWS MK1 MOD 2-M line, revamped for 2018, features the PWS long stroke piston system. While the internals remain the same as other PWS lines, the MK1 MOD 2-M offers a variety of features exclusive to this line. Starting with patent pending PicLok...

The PWS MK1 MOD 2-M line features the PWS long stroke piston system. While the internals remain the same as other PWS lines, the MK1 MOD 2-M offers a variety of features exclusive to this line. Starting with patent pending PicLok technology on the free...

Ideal for the discerning shooter looking to enhance their 9mm AR platform, the Noveske N9 RECON Upper features a precision-built setup ready to deliver exceptional accuracy and performance. This upper assembly boasts a 16" 416R stainless steel barrel...