Ballistic Advantage’s 5.56 chambered M4 Carbine Length and HBAR Mid-Length Classic Series Barrel is machined from CrMoV steel with a chrome lined bore and chamber with a manganese phosphate finish and phosphate coated M4 feed ramp extension.

PART NUMBER: BABL556009MC Length 14.5" Material Chrome Moly Vanadium Profile M4

Finish Phosphate Twist Rate 1:7" Gas System Length Carbine Gas Block Journal .750"

Muzzle 1/2x28 Threaded Weight 25oz

PART NUMBER: BABL556014MC Length 16" Material Chrome Moly Vanadium Profile M4

Finish Phosphate Twist Rate 1:7" Gas System Length Carbine Gas Block Journal .750" Muzzle 1/2x28 Threaded Weight 28oz