Hitman Industries AR-15 .300 AAC Blackout Government Rifle Barrel 7.5 inch 1-7 Twist Pistol Length CrMoV Black

Hitman Industries AR-15 .300 AAC Blackout Government Rifle Barrel 7.5 inch 1-7 Twist Pistol Length CrMoV Black. There are a few ways to rifle a barrel but here at hitman we prefer button rifling for accuracy. With our 7 step quality Control (QC) process we continue set ourselves apart from other barrel manufacture s. We utilize black nitride QPQ to protect our barrels against the elements. All barrel extensions are black nitride QPQ or Nickel boron (NIB) for maximum protection. Specifications fo