Ballistic Advantage Modern AR-15 20" Rifle-Length Gas 5.56 1:7 CMV Barrel

The Ballistic AdvantageA(R) Modern AR-15 20" Rifle-Length Gas 5.56 1:7 CMV Barrel boasts durable Chrome Moly Vanadium steel construction with a QPQ corrosion-resistant finish. This government profile barrel features a 1:7 twist rate for unmatched precision and a 1/2x28 thread pitch for compatibility with your favorite muzzle devices. This barrel is compatible with rifle-length gas systems and has a .750" gas block journal. Also features a QPQ coated M4 feed ramp extension for butter-smooth feeding.