14.5" 5.56 NATO Mid-Length AR 15 Barrel

14.5" 5.56 NATO Mid-Length AR 15 Barrel These 14.5" AR-15 Barrels are manufactured under ISO-9001 or better quality standards. All Black Rifle Depot's are sourced from a variety of Tier 1 Manufacturers here in the United States. These premium AR-15 Barrels are guaranteed to hold 1 MOA or better using properly weighted match-grade factory ammo and shooting from a rest. Features 14.5" Length Government/SOCOM 5.56 NATO 1:7 Twist Mid-Length Gas System Black Nitride Treated .750 Gas Block Journal 1/2 x 28 Muzzle Thread Pattern All NFA/ATF Rules Apply You may use this AR-15 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. Check your local laws and jurisdictions.