The Glock 40 (G40)shoots the powerful 10mm cartridge, capable of downing deer, hogs, and bear. The long slide reduces muzzle flip considerably to keep the user on target during rapid fire, and also increases sight radius. The G40 Gen4 MOS comes from the factory with a Modular Optic System milled into the top of the slide for mounting aftermarket reflex and red dot sights. The MOS slide comes with a removable cover plate that fills the milled out area. The pistol also has a white dot front sight, and an adjustable white outline rear sight. A modular back strap allows shooters to instantly customize the grip to an The GLOCK G40 Gen4 MOS Semi-Auto Pistol is an ultra-reliable, accurate and extremely controllable handgun, making it an ideal choice for outdoorsmen and competitors alike. Ships with three 15-round magazines.GLOCK 40 FOR SALE