This 5.56 chambered 13.7inch 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.
Specs:
- Length: 13.7″
- 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: 1/2×28 Threaded
- Weight: 25oz