Proof Research CF Pro 10 .308 Win 18" Barrel, Rifle Length Gas - 843068132890

This is a 18-inch .308 Winchester rifle barrel manufactured by Proof Research with a 1-10 twist rate, designed for direct impingement gas systems. The barrel features a .750 gas journal diameter and 5/8-24 muzzle threading, making it compatible with standard AR-10 platforms and common muzzle devices.