Description
This 5.56 chambered 10.3 inch Government Profile Classic Series Barrel is machined from 4150 Chrome Moly Vanadium steel with chrome lined bore and chamber with a manganese phosphate finish and phosphate coated M4 feed ramp extension.Length: 10.3”Material: 4150 Chrome Moly VanadiumProfile: GovernmentFinish: PhosphateGas System: Carbine LengthGas Block Profile: .750Thread: 1/2×28Twist: 1×7Weight: 18ozOther: Crane Spec .070” Gas Port
