This accessorized .308 Caliber Barrel Kit includes all the parts forward of the receiver as well as a 15″ Windham Weaponry M-Lok  Forend. This highly accurate 20″ barrel is machined from 4150M Chrome Moly Vanadium 11595E Steel, Chrome Lined in Bore and Chamber, fluted for light weight and heat dissipation, and rifled 1 turn in 10 inches – 6 lands & grooves – right hand twist. The muzzle is threaded 5/8″ x 24 T.P.I. (threads per inch).
Barrel parts include a .308 A2 Type Birdcage Flash Hider with Crush Washer; Rifle length .308 Gas Tube; Gas Tube Roll Pin; and a Lo-Pro Gas Block which is taper pinned on to the barrel. A Windham Weaponry 15″ .308 MLok style handguard . All parts are highest quality, and made in the USA.