This 5.56 chambered 10.3 inch Government Profile Classic Series Barrel is machined from 4150 Chrome Moly Vanadium steel with chrome lined bore and chamber with a manganese phosphate finish and phosphate coated M4 feed ramp extension.
Specifications:
- Length: 10.3″
- Material: 4150 Chrome Moly Vanadium
- Profile: Government
- Finish: Phosphate
- Gas System Length: Carbine Length
- Gas Block Journal: .750″
- Twist Rate: 1:7 inches
- Muzzle: 1/2×28 Threaded
- Weight: 18oz
- Crane Spec .070” Gas Port
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