6" .300 Blackout Pistol Length 1/7 Twist AR 15 Barrel, Modern Series

This .300 Blackout chambered 6 inch Modern Series Barrel is machined from CrMoV steel with a QPQ Corrosion Resistant Finish and QPQ coated M4 feed ramp extension.All NFA/ATF Rules ApplyYou 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.