The Ballistic Advnatage 5.56 chambered 16 inch M4 Carbine Length Classic Series Barrel is machined from 4150 Chrome Moly Vanadium steel with a chrome lined bore and chamber with a manganese phosphate finish and phosphate coated M4 feed ramp extension.
Specifications:
- Length: 16"
- Material: 4150 Chrome Moly Vanadium steel
- Profile: Government
- Finish: Phosphate
- Gas System Length: Carbine
- Gas Block Journal: .750"
- Twist Rate: 1/7
- Muzzle: 1/2x28 Threaded
- Weight: 28oz.
