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...

Noveske Noveske9, Gen 4, Complete Upper, 9mm, 16" Barrel, Nsr 15 Rail, Cerakote Finish, Black 03000446Model: Noveske9Product Type: UpperFinish/Color: CerakoteFit: AR-15Description: M-LOKCaliber: 9MM

Rock River Arms A4 Coyote Carbine upper comes chambered in .300 AAC / Blackout with a 16" chrome moly 1/8twist barrel. Additionally this upper includes a RRA 12.5" M-Lok compatible lightweight free float rail and a Smith Vortex flash hider (5/8-24...

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"...

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...

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...

Lantac Usa Llc Sf15 Reacon, Complete Upper Receiver, 223 Wylde, 16" Barrel, Fits Ar15, Anodized Finish, Black 01-fa-223-recon-uprModel: ReaconFinish/Color: AnodizedFit: AR-15Caliber: 223 Wylde

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...