This 5.56 chambered 18 inch Performance Series Barrel is machined from 4150 Chrome Moly Vanadium steel with a QPQ Corrosion Resistant Finish. Our Performance Series Barrels feature a Nickel Boron Coated Extended M4 Feed Ramp Extension.
Hanson Series Barrels feature our proprietary BA Hanson profile and include a pinned lo-pro gas block. Hanson barrels are not designed to work with aftermarket piston kits.
4150 Chrome Moly Vanadium
QPQ Corrosion Resistant
Gas System Length
Gas Block Journal
1.03" Gas Block Seat for .750" Low Profile Gas Blocks Only