Firearm Parts

Proof Research 100530 AR-Style Barrel 300 Blackout 12.50" Pistol Length Gas System 1:7" Twist 5 Grooves, 5/8"-24 tpi, Stainless Stainless

Proof Research 100561 AR-Style Barrel 300 Blackout 16" Carbine Length Gas System 1:8" Twist 5 Grooves, 5/8-24 tpi, Carbon Fiber Wrapped

Proof Research 100929 Bolt Action Barrel Blank 264 Win Mag 26" Black Carbon Fiber Wrapped 416R Stainless Steel Barrel, Features Sendero Contour

PROOF 143483 PR15 22ARC 20 7 5/8-24 STND SS

Primary Weapons Systems, UXR Elite, Conversion Kit, 308 Winchester, 16" Barrel, Black, Includes Bolt and Barrel

Primary Weapons Systems, UXR Elite, Conversion Kit, 6.5 Creedmoor, 18" Barrel, Black, Includes Bolt and Barrel

Primary Weapons Systems, UXR Elite, Conversion Kit, 762X39, 16" Barrel, Black, Includes Bolt and Barrel

Primary Weapons Systems, UXR Elite, Conversion Kit, .223 Wylde, 16" Barrel, Black, Includes Bolt and Barrel

Primary Weapons Systems, UXR Magwell, Mag Well Cnversion Kit, For Medium Frame 308 Winchester AR10, Black

Primary Weapons Systems, UXR Magwell, Mag Well Conversion Kit, For Medium Frame 308 Winchester AR10, Black

Primary Weapons Systems, UXR Magwell, Mag Well Conversion Kit, For Medium Frame 7.62X39, Black

Primary Weapons Systems, UXR Magwell, Mag Well Cnversion Kit, For Medium Frame 7.62X39, Black