Ballistic Advantage Modern Series, M4 Profile Barrel, 223 Remington/5.56 NATO, 14.5", Carbine-Length Gas System, 1:7 Twist, 1/2X28 Threads, 4150 CrMoV, QPQ Corrosion Resistant Finish, Black BABL556009M
Manufacturer: Ballistic Advantage
Model: Modern Series
Manufacturer Part #: BABL556009M