Ballistic Advantage’s 5.56 chambered 13.9 inch Government Profile Mid-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 Series, Government Profile Barrel, 223 Remington/556NATO, 13.9″, Midlength Gas System, 1:7 Twist, 1/2X28 Threads, 4150 CrMoV, QPQ Corrosion Resistant Finish, Black BABL556035M
