Ballistic Advantages 5.56 chambered 13.9 inch Government Profile Mid-length Modern Series Barrel is machined from 4150 Chrome Moly Vanadium steel with a QPQ Corrosion Resistant Finish and QPQ coated M4 feed ramp extension.
Features :
Features :
- ,Length: 13.9";"Material: 4150 Chrome Moly Vanadium,
- Profile: Government
- Finish: QPQ Corrosion Resistant
- Twist Rate: 1:7 inches
- Gas System Length: Mid-Length
- ,Gas Block Journal: .750";"Muzzle: 1/2x28 Threaded,
