GLOCK 17 Global pistol: The GLOCK 17 in caliber 9x19 is the most widely used law enforcement pistol worldwide. Because of its unsurpassed reliability, above-average magazine capacity and its low weight, it is trusted by law enforcement officers in their daily duties throughout the world. It is safe, ease and quick to use through the revolutionary "Safe Action" trigger system. Available with fixed sights made of polymer with white contrast insert for rapid aim. Available with 17 round magazine. GLOCK compensator pistols are equipped with an integrated compensator, rendering the weapon even more controllable during rapid fire and allowing an improved it pattern. The compensator consists of two longitudinal openings in the barrel and slide.