Proof Research AR-Style Barrel 308 Win 18" Rifle Length Gas System 1:10 Twist Carbon Fiber Wrapped - 100028

Proof Research AR-10 compatible rifle barrel chambered in .308 Winchester with an 18-inch length and rifle-length gas system. Features carbon fiber wrapping for reduced weight, a 1:10 twist rate, and 5/8x24 threads for muzzle devices. The barrel is direct impingement compatible and suitable for precision rifle builds.