Product Description
Bootleg Inc. is now offering their own line of barrels, that are built to their exact specifications and built to last!Specifications:Barrel Material: 4150 CMV SteelBarrel Caliber: 5.56Barrel Twist: 1:7Barrel Length: 12Barrel Profile: GovernmentBarrel Gas System: CarbineInside Finish: QPQ NitrideOutside Finish: QPQ NitrideMuzzle Thread: 1/2-28 TPI (Threads Per Inch)Gas Block Diameter: .750Barrel Extension: M4