Ballistic Advantage Modern Series M4 Profile 10.5″ Govt Profile AR15 Barrel. 1:7 Twist, Carbine Length gas System. Threaded 1/2×28 fpr standard AR15 muzzle devices.
- Length: 10.5″
- Material: 4150 Chrome Moly Vanadium
- Profile: Government
- Finish: QPQ Corrosion Resistant
- Gas System Length: Carbine
- Gas Block Journal: .750″
- Twist Rate: 1:7 inches
- Muzzle: 1/2×28 Threaded
- Weight: 19 oz
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