Our 5.56 chambered 12.5 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.
Length: 12.5"
Material: 4150 Chrome Moly Vanadium
Profile: M4
Finish: QPQ Corrosion Resistant
Twist Rate: 1:7 inches
Gas System Length: Carbine
Gas Block Journal: .750"
Muzzle: 1/2x28 Threaded
Weight: 22.5 Oz
