Smith Enterprise M305 (Norinco) Gas Lock w/Dovetail Details

Deck height allows use of GI or match front sight. Chrome-moly, highly advanced metallurgical process. Double heat treated, as well as M80HT, corrosion resistant 60 HRC surface. Made to the same standard as those supplied to the US Army. These fit the Chinese barrels. These are for the metric thread only and the gas locks are marked M305. The GLFS-D-18 is intended for use on 18.0” barrels and is current issue on the USN MK 14 Mod 0, Mod 1, and Mod 2 rifles. This design will also be incorporated into the forthcoming USAF MK14 rifle. Item Nr.: 440-2011-M305