Proof Research AR-Style Barrel 308 Win 18 Rifle Length Gas 1:10 Twist 5 Grooves CF

The Proof Research 100028 AR-Style Barrel 308 Win delivers unmatched lightweight strength and precision for AR platforms, combining a rifle-length gas system with a carbon fiber wrapped design that saves weight without compromising rigidity. This 18-inch barrel features a 1:10-inch twist with five rifled grooves and a 5/8-24 thread pitch, making it compatible with a broad range of .308 Winchester projectiles and facilitating reliable muzzle device installation. Built to endure demanding field and range conditions, the carbon fiber wrap provides temperature stability and reduced harmonic vibration, enhancing accuracy and consistency across long strings of fire. The AR-style profile and rifle-length gas system optimize cycling and gas efficiency for semi-automatic rifles, supporting steady follow-up shots and improved performance in hunting, target shooting, and tactical training scenarios. Precision-engineered for AR compatibility, the barrel balances stiffness and weight to support quick handling, reduced felt recoil, and enhanced overall rifle performance. Whether upgrading an existing build or assembling a dedicated AR platform, Proof Researchs 18-inch AR-Style Barrel pairs advanced materials with meticulous machining to deliver dependable, repeatable accuracy in the field or at the range.