This 5.56 chambered 13.7 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.

Part Number: BABL556028F
Length: 13.7”
Material: 4150 Chrome Moly Vanadium
Profile: Hanson
Finish: QPQ Corrosion Resistant
Gas System: Carbine- Length
Twist: 1×7
Gas Block Journal: 1.03 Gas Block Seat for .750 Low Profile Gas Blocks ONLY
Thread: 1/2×28
Weight: 25oz
Other: HP & MPI Tested

All NFA/ATF Rules Apply
You may use this barrel with a lower receiver that is a Registered SBR, Machine Gun, or Pistol. Possession of this barrel along with a Non-NFA lower receiver is Prohibited, except when permanently attaching a muzzle device extending the length to 16 inches.