Ballistic Advantage’s Modern Series barrel is a 5.56x45mm NATO chambered option for AR-15 builds, measuring 12.5″ in length. The barrel is machined from 4150 Chrome Moly Vanadium steel and finished with a QPQ Corrosion Resistant coating, with the M4 feed ramp extension also QPQ coated. The Government profile barrel features a .750″ gas block journal and carbine-length gas system.
All NFA/ATF Rules Apply. This barrel may be used with a lower receiver that is a Registered SBR, Machine Gun, or Pistol. Possession of this barrel with a Non-NFA lower receiver is prohibited, except when installed on a Pistol configuration firearm.




