Ballistic's performance series barrel is machined from 4150 chrome moly vanadium steel with a qpq vorrosion resistant finish.It features a nickel boron coated extended m4 feed ramp extension.The hanson series barrel features a proprietary ba hanson profile and include a pinned lo-pro gas block.This 17.7" barrel is chambered in 5.56 nato, has a mid-length gas system and 1/2x28 tpi threads.Note: hanson barrels are not designed to work with aftermarket piston kits.
Caliber Or Gauge: 223 Remington/5.56 NATO Length: 17.70" Model: AR Barrel Twist: 1:7" Sights: None Finish: QPQ Corrosion Resistant Type: Rifle Barrel Type: BA Hanson Midlength Barrel Features: Heavy Profile
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