This is a Ballistic Advantage Barrel known as the Modern Series chambered in 300 Blackout, model BABL300004M.
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.
Features:
Length: 9";Material: 4150 Chrome Moly Vanadium;Profile: DRP;Finish: QPQ Corrosion Resistant;Gas System Length: Pistol;Gas Block Journal: .750
Twist Rate: 1:7 inches
Muzzle: 5/8x24 Threaded
Weight: 21oz
