Ballistic Advantage, Modern Distinct Rigid Pattern Barrel, 300 Blackout, 9", 1:7 Twist
Material: 4150 Chrome Moly Vanadium
Finish: QPQ Corrosion Resistant
Gas System Length: Pistol
Gas Block Journal: .750"
Twist Rate: 1:7 inches
Muzzle: 5/8x24 Threaded
This .300 Blackout chambered 9 inch Modern Series Barrel is machined from 4150 Chrome Moly Vanadium steel with a QPQ Corrosion Resistant Finish and QPQ 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.