BALLISTIC BBL 5.56 16" M4 1/7

Ballistic Advantage Modern Series Barrel, M4 Profile, 556NATO, 16" Barrel, 1/2X28 Thread Pitch, Fits AR15, QPQ Corrosion Resistant Finish, Black, 1:7" Twist Rate, Carbine-Length Gas System BABL556014M

Ballistic Advantage's 5.56 chambered 16 inch M4 Profile Carbine Length Modern Series Barrel is machined from 4150 Chrome Moly Vanadium steel with a QPQ Corrosion Resistant Finish and QPQ coated M4 feed ramp extension.