The Glock 45 MOS Gen5 adds the Modular Optic System to the G45 crossover platform, combining the compact G19 slide with the full-size frame and factory red dot compatibility. It is a popular choice for duty use and competition where the higher magazine capacity of the G17 frame with the compact slide dimensions of the G19 is advantageous. Type: Pistol Action: Semi-Automatic Caliber: 9mm Capacity: 17 Year introduced: 2019, Austria Weight: 24.83 oz Overall length: 7.44" Status: Active Intended use: Law Enforcement, Competition, Self-Defense