The Tactical shotgun forend in Destroyer Gray has a Triton mount system constructed of military type lll anodized, 6061 T6 Aluminum. DuPont extreme temperature glass reinforced polymer stock. Features three rail locations at 90 degree increments around forend., one left 2" picatinny rail, one right 2" picatinny rail, and one 2" bottom picatinny rails. Picatinny rails allow for easy installation of all your favorite accessories. The textured forend is very tough, yet extremely lightweight. Fits most 12 gauge Mossberg 500/535/590/835, Remington 870 and Winchester 1200/1300 Shotguns.