Diamondback Firearms 10.5" .300 AAC Blackout AR Barrel

Diamondback Firearms 10.5" .300 AAC Blackout AR BarrelAt Diamondback, they can produce barrels that meet the shooter's requirements. Their barrel blanks are made from premium materials and machined using some of the finest equipment on the market. Diamondback has several high-quality CNC machines that are used for a variety of purposes. With their machining capabilities, they can serve industries including self-defense, medical, aerospace, military, and more. With a pistol-length gas system and heavy contour, their 300 Blackout barrel is a perfect example of modern-day barrel making. Made from 4150 Chrome Moly steel with a Black Nitride finish, this button rifled barrel is 10.5" in length and offers a traditional 11-degree target crown.Featured Caliber: 300 Blackout Gas System: Pistol-Length Length: 10.5" Contour/Profile: Heavy Twist: 1:8 Material: 4150 Chrome Moly Coating: Black Nitride Thread: 5/8"x24 Rifling: Button Rifled 5R M4 Feed RampsAll NFA/ATF Rules ApplyYou 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.