Description

A 9″ long .300 Blackout AR drop-in type barrel. This barrel features two sections of 5 spiral flutes, helical engraving, 5/8″-24 muzzle threads, pistol-length gas system with gas port hole, setscrew flats on the bottom side of the gas block section, .300 Blackout chamber and headspaced with a Lilja-made barrel extension.