Compact dimensions for open and concealed carry, minimum weight despite large magazine capacity in .40 caliber. This and the reliability of the GLOCK pistol known throughout the world, demonstrated through tests and widespread use by US law enforcement agencies, were decisive arguments for countless police authorities for introducing the GLOCK 23 as their official service pistol. Available with 13 round magazine. Available with fixed sights made of polymer with white contrast insert for rapid aim. GLOCK compensator pistols are equipped with an integrated compensator, rendering the weapon even more controllable during rapid fire and allowing an improved hit pattern. The compensator consists of two longitudinal openings in the barrel and slide .