Ballistic Advantage Premium AR-15 8.3" Pistol-Length Gas .300 Blackout 1:7 SS Barrel w/ Lo Pro Gas Block

Featuring a Hanson profile, the Ballistic AdvantageA(R) Premium AR-15 8.3" Pistol-Length Gas .300 Blackout 1:7 SS Barrel w/ Lo Pro Gas Block is constructed with hardened 416R stainless steel construction with a corrosion-resistant bead blasted finish. The 1:7 5R twist rate ensures superior precision while the 5/8x24 thread pitch is perfect for muzzle devices. Even better, this barrel is HP and MPI tested and is compatible with pistol-length gas systems. Features a 1.03" gas block seat for .750" low profile gas blocks ONLY. Also features a nickel boron coated M4 feed ramp extension.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. Hanson Series Barrels feature a proprietary BA Hanson profile and include a pinned lo-pro gas block. Hanson barrels are not designed to work with aftermarket piston kits.