5.56 chambered Modern Series Barrel .16 inch M4 Profile Carbine Length is machined from 4150 Chrome Moly Vanadium steel with a QPQ Corrosion Resistant Finish and QPQ coated M4 feed ramp extension. Sale priced at $149.00 while they last.
Material 4150 Chrome Moly Vanadium
Finish QPQ Corrosion Resistant
Twist Rate 1:7 inches
Muzzle 1/2×28 Threaded