GLOCK 43X, M.O.S, Striker Fired, Semi-automatic, Polymer Frame Pistol, Sub-Compact, 9MM, 3.41 Barrel, Custom Black and Robin's Egg Blue Cerakote Finish by Shark Coast Tactical, Fixed Sights, Optic Ready, Gold Barrel, 10 Rounds, 2 Magazines PX4350201FRMOS Chambered in 9x19, the G43X MOS has slide cuts designed for specific micro-optics and the GLOCK Slim Mounting Rail for attaching accessories. It is the ideal tactical partner in the well-known GLOCK Slimline design for easy concealment.