11.5" 5.56 NATO Government Carbine Length, Classic Series

Our 5.56 chambered 11.5" 5.56 NATO Government (Clone Profile) Classic Series Barrel is machined from CrMoV steel with a chrome lined bore and chamber with a manganese phosphate finish and phosphate 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.