Proof Research PR10 Stainless Steel Threaded Barrel 6mm Creedmoor AR-10 24 inch Rifle +3 Gas System Length 5/8x24 Thread 1-7.5 Twist Silver 129203. These Rifle Barrels developed by Proof Research utilize a proprietary C.A.M.G.A.S. port system as...
Proof Research PR10 Stainless Steel Threaded Barrel 6mm Creedmoor AR-10 24 inch Rifle +3 Gas System Length 5/8x24 Thread 1-7.5 Twist Silver 129203. These Rifle Barrels developed by Proof Research utilize a proprietary C.A.M.G.A.S. port system as...