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.
Ballistic Advantage Modern Barrel, 556NATO, 16″, 1:7 Twist, 4150 CrMoV, Midlength Gas System, Government Profile BABL556015M
