This Ballistic Advantage 9mm chambered 11 inch Barrel is machined from 4140 Chrome Moly Vanadium steel with a QPQ Corrosion Resistant Finish and 1/2-28 threads.
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.
Specifications