The Brownells .458 SOCOM AR-15 barrel is an affordable option for your next big-bore AR build, including all of the right features for a high-quality, long-lasting AR that will exceed all expectations. The Brownells .458 SOCOM AR-15 barrel is constructed from 4150 GBQ mil-spec bar-stock steel, which is stress relieved and nitride-treated for added durability. The barrels are all button-rifled with traditional land-and-groove rifling. 1:14 rate of twist Threaded muzzle for suppressor attachment .875" OD gas block 11-degree target crown 11/16×24 muzzle thread pitch Magnetic particle inspected The Brownells .458 SOCOM AR-15 barrel is comp Mfg: Brownells
