This 5.56 chambered 10.5 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: 10.5”
Material: 4150 Chrome Moly Vanadium
Profile: Government
Finish: QPQ Corrosion Resistant
Gas System: Carbine Length
Gas Block Profile: .750
Thread: 1/2×28
Twist: 1×7
Weight: 19oz