This Ballistic Advantage AR-15 Barrel 8.3″ -.300Blackout is machined from 4150 Chrome Moly Vanadium steel with a QPQ Corrosion Resistant Finish. Ballistic Advantage’s performance series barrels feature a Nickel Boron Coated M4 Feed Ramp Extension and are HP and MPI tested. Hanson Series Barrels feature our proprietary BA Hanson profile and include a pinned lo-pro .750″ gas block. This Barrel is a pistol length gas system and has a 1:7 twist rate. This is threaded to a 5/8×24 pitch for muzzle devices. Hanson barrels are not designed to work with aftermarket piston kits.
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