The Glock G23 Gen 5 MOS is a versatile compact pistol chambered in 40 S&W with 10+1 round capacity and a 4.02" barrel. Featuring the Modular Optic System for seamless optic mounting.Glock G23 Gen 5 MOS Pistol40 S&W caliber with 10+1 round capacity4.02" barrel length for optimal accuracyMOS optic ready slide with serrationsBlack nDLC steel slide finishBlack polymer frame with accessory railInterchangeable backstrap grip systemDAO action with firing pin and trigger block safetyIdeal for law enforcement concealed carry and tactical applications where reliability and adaptability are essential. The MOS system allows for easy mounting of various optic systems.