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 FailZero 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.
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 installed on a Pistol configuration firearm.
Length – 13.7″
Material – 4150 Chrome Moly Vanadium
Profile – Hanson
Finish – QPQ Corrosion Resistant
Gas System Length – Carbine
Gas Block Journal – 1.03″ Gas Block Seat for .750″ Low Profile Gas Blocks Only
Twist Rate – 1:7 inches
Muzzle – 1/2×28 Threaded
Weight – 25oz Includes low pro gas block
Other Info – HP and MPI Tested