16″ 5.56 M4 Carbine Length Chrome Lined AR15 Barrel, Classic Series

Ballistic Advantage’s 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.