Ballistic Advantage Modern M4 Barrel, 556NATO, 16, 1:7 Twist 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.
