This 5.56 chambered 12.5 inch Government Profile Modern Series Barrel is machined from 4150 Chrome Moly Vanadium steel with a QPQ Corrosion Resistant Finish and QPQ coated M4 feed ramp extension. All NFA/ATF Rules Apply. You 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
Length: 12.5″;Material: 4150 Chrome Moly Vanadium”
Profile: Government
Finish: QPQ Corrosion Resistant
Gas System Length: Carbine
Gas Block Journal: .750″;Twist Rate: 1:7 inches”
Muzzle: 1/2×28 Threaded
Weight: 22 oz
gskjr78 –
Ballistic Advantage has been my go-to for barrels. Accuracy is great and the price is even better. I use this 12.5″ barrel in my SBR and have run a lot of rounds through this barrel and it holds up great. wouldn’t look elsewhere for this barrel either A.S.S. is the place to buy!