The Glock 45 Gen6 MOS is a 9mm Luger crossover frame pistol built with a 4.02 inch GMB barrel and a compact overall length of 7.44 inches. This model includes a 17 plus 1 capacity and incorporates an optic ready slide that supports modern sighting enhancements. The Glock 45 pistol uses a polymer frame with interchangeable backstraps and fixed sights that maintain dependable performance for duty, training, and defensive applications.