This Glock 23 Gen 4 in 40SW, introduces revolutionary design changes to the pistol that combines compact dimensions for both open and concealed carry, with minimum weight-despite its large magazine capacity. The modular back strap design lets you instantly customize the grip to adapt to an individual shooter's hand size. The frame employs the scientifically designed, real-world-tested, Gen 4 rough textured technology. Internally, the dual recoil spring assembly substantially increases the life of the system. A reversible magazine catch, changeable in seconds, accommodates left or right-handed operators. The G23 Gen 4 in .40 caliber retains the Glock accessory rail for your attachments. This G23 Gen4 Compact model has a black frame with black slide, fixed sights, and a 13-round capacity.