Reliability and simplicity of use have made GLOCK® pistols a favored sidearm all over the world. The GLOCK G40 Gen4 MOS Semi-Auto Pistol is designed as a serious hunting, tactical, or competition handgun. The 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, and 4 brand-specific adapter plates and a hex wrench. 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 individual shooter’s hand size, or to cold weather gloves. The polymer frame utilizes GLOCK’s Rough Texture to provide a sure hold on the pistol in adverse conditions, and the enlarged magazine catch is reversible, accommodating left or right-handed shooters. An integral accessory rail in front of the trigger guard allows for the attachment of a plethora of aftermarket tactical flashlights or laser sights. 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.