5.56 10.3 INCH BARREL

.070" Crane Spec Gas port

Use 9.5" HG's with Suppressors and normal muzzle devices

Use 9.7" HG's if no suppresssor (Normal muzzle devices ok)

Use 10.7" or 11" HG's with Linear Comp

 - Ballistic Advantage Barrel

– 4150 CMV Melonite

– QPQ Corrosion Resistant Finish

– QPQ M4 Feed Ramps Extension

– Carbine Gas

– 1/7 Twist

– 1/2×28 Muzzle Thread

– .750 Gas Block Journal