Ballistic Advantage 10.5" 5.56 NATO Barrel - Modern Series

Ballistic Advantage 10.5" 5.56 NATO Barrel - Modern Series The Ballistic Advantage 10.5" 5.56 NATO Modern Series barrel is button rifled 4150 Chrome Moly Vanadium steel with a QpQ Black Nitride treatment to increase longevity and corrosion resistance. Features Brand: Ballistic Advantage Length: 10.5 Chamber: 5.56 NATO (shoots both 5.56 NATO and .223) Profile: GOVT / SOCOM Finish: QPQ Nitride Barrel Steel: 4150V Chrome Moly Twist Rate: 1:7 Gas System Length: Carbine Gas Block Journal: 0.750 Feed Ramp Extension: M4 Muzzle: 1/2 X 28 Weight: 28oz 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.