BA .300 Blackout chambered 8 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 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