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
Features:
- 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: 1/2x28 Threaded
- Weight: 22 oz
Specifications:
- Barrel Length: 12.5"
- Caliber: 556NATO
- Finish: Bead Blasted
- Manufacturer Part #: BABL556024M
- Model: Modern Series
- Subcategory: Barrels
- Type: Barrel
- Type of Barrel: 1:7