The Glock 43X MOS combines compact size with enhanced capacity featuring a 15-round magazine and MOS (Modular Optic System) for easy optics mounting in 9mm Luger.Glock 43X MOS Semi-Automatic Pistol9mm Luger caliber15-round magazine capacity with 2 magazines included3.39-inch barrel lengthBlack polymer frame and slideFront accessory rail for tactical attachmentsMOS optics-ready slide designFixed sights16.19 oz weightIdeal for concealed carry home defense and tactical applications where compact size and reliability are essential. The MOS system allows for easy red dot sight installation without gunsmithing.