This 5.56 chambered 13.7 inch Performance Series Barrel is machined from 4150 Chrome Moly Vanadium steel with a QPQ Corrosion Resistant Finish. Ballistic Advantage Performance Series Barrels feature a Nickel Boron Coated Extended M4 Feed Ramp Extension.
Specifications:
- Length: 13.7"
- Material: 4150 Chrome Moly Vanadium
- Profile: Hanson
- Finish: QPQ Corrosion Resistant
- Gas System Length: Carbine
- Gas Block Journal: .750"
- Twist Rate: 1/7
- Muzzle: 1/2x28 Threaded
- Weight: 25oz (includes low-pro)
- Other: HP and MPI Tested