Reliability and simplicity have made GLOCK G22 Semi-Auto Pistol one of the most widely used law enforcement firearms worldwide. The G22 is a full-size service pistol, shooting the .40 S&W pistol cartridge, a standard law enforcement round with proven knock down power. The GLOCK 22 is a short-recoil operated, striker-fire semi-automatic pistol. The Safe-Action trigger system makes shooting in stressed situations infallible. The main frame of the GLOCK pistol is constructed of high-strength polymer that is resistant to shock, caustic liquids, and temperature extremes. The milled steel slide and the barrel are treated with matte black Tenifer finish for extreme resistance to wear and corrosion. The Tenifer treated steel and polymer frame make the pistol impervious to corrosion caused by perspiration and humidity when carried close to the body or kept in a holster for extended periods of time. The slide cycles on 4 hardened steel guide rails within the frame. An integral accessory rail in front of the trigger guard allows for the attachment of aftermarket tactical flashlights or laser sights. The rear sight is dovetailed into the slide and is drift adjustable. GLOCK pistols fieldstrip easily without tools. The GLOCK G22 Semi-Auto Pistol is an ultra-reliable handgun that is easy to learn how to operate and maintain, making it an ideal choice for self-defense, whether it be in the field, at home, or on duty.