Ballistic Advantage Modern AR-15 6" Pistol-Length Gas .300 Blackout 1:7 CMV Barrel

The Ballistic AdvantageA(R) Modern AR-15 6" Pistol-Length Gas .300 Blackout 1:7 CMV Barrel is machined from Chrome Moly Vanadium steel with a QPQ corrosion-resistant finish. This DRP profile barrel features a 1:7 5R twist rate, is compatible with pistol-length gas systems, and features a .750" gas block journal. The 5/8x24 thread pitch allows you to use your favorite muzzle devices while the QPQ coated M4 feed ramp extension for smooth feeding.All NFA/ATF Rules Apply You may use this barrel with a lower receiver that is a Registered SBR, Machine Gun, or Pistol. Possession of this barrel along with a Non-NFA lower receiver is Prohibited, except when installed on a Pistol configuration firearm.