This kit upgrades your FM-9 16″ or 11″ Elite unit to use our 6″ barrel. Includes one 6″ barrel, one 4″ quad rail, and one 9″ 7/64 T Handle hex wrench.
6″ barrel is made from 4150 chromoly steel. QPQ nitride finish
4″ quad rail is black anodized billet aluminum with Picatinny rail system