Upper Receivers & Conversion Kits

The proprietary UXR, or User XChange Rifle, is the pinnacle of firearm innovation. This revolutionary system offers unmatched modularity and performance. The patent-pending XCHANGE system allows the shooter to quickly convert to alternate calibers on the...

Rock River Arms RRAGE 3G A4 carbine upper comes chambered in 5.56mm NATO. This extruded aluminum upper receiver comes with a port door and no forward assist. Additionally, this upper is equipped with a RRA 15" RRAGE 3G M-Lok compatible handguard, a 16"...

Luth-ar A2 Upper Receiver, Upper, 223 Remington, 556nato, Black, Ar15, Anodized Ur-a2-aModel: A2 Upper ReceiverProduct Type: UpperFinish/Color: AnodizedFit: AR15Caliber: 223 Remington

The M5 .308 Assembled Upper Receiver comes with both the port door and forward assist hardware preinstalled. Forged from 7075-T6 aluminum, this assembled upper is precision machined to accept standard .308 components and is the perfect upper for your big...

The M4E1 Threaded Upper Receiver features a new angular machined design that helps it stand apart from standard mil-spec upper receivers. This upper receiver features the same enhanced body profile as their M4E1 Enhanced Upper Receiver but is threaded to...

BA10 Assembled Upper Receiver. Forged from 7075-T6 aluminum, this assembled upper is precision machined to DPMS Gen1 specifications and features M4 feedramps.Features :DPMS Gen1 Pattern, Will Not Work with AR15 Components Threaded Forward Assist Roll...

AR15 Assembled Upper Receiver. Forged from 7075-T6 aluminum, this assembled upper is precision machined to mil-spec M16/M4 specifications and features M4 feedramps.Features :Threaded Forward Assist Roll PinM4 Feedramps.2795 takedown pin holesLaser...

Bravo Company started in the garage of a veteran United States Marine in Hartland Wisconsin, shortly after Operation Iraqi Freedom in 2003. Founded to support the needs of Private Security Professionals working in theaters where durable mil-spec...

Advantage Arms Conversion Kit: Convert your 9mm/.40 S&W Glock down to 22lr so trips to the range dont break the bank. The MOD series is meant to fit Glock 19/23 Gen 1-3 and includes two 10 round magazines, a 4.02" barrel, a range bag, and a recessed cut...

Convert your 1911 into a .22 or with an Advantage Arms conversion kit. Advantage Arms 1911 Target Conversion Kit is Advantage Arms most accurate conversion kit. The barrel is fixed solid to the frame with the sights mounted to the barrel. Accuracy is...

CMMGs Upper Receiver Assembly is made from billet 7075 T6 AL, and ships with Mk3 charging handle assembly.Features :For AR10 riflesBillet 7075 T6 Aluminum, Cerakoted Armor Black

Advantage Arms Conversion Kit: Convert your 9mm/.40 S&W Glock down to 22lr so trips to the range dont break the bank. The MOD series is meant to fit Glock 19/23 Gen 1-3 and includes two 15 round magazines, a 4.02" threaded barrel, a range bag, and a...