This is a Glock model 19 Gen4 semi-automatic pistol in 9mm Luger caliber. It has a 4" barrel, fixed front sight, light rail, interchangeable backstrap inserts, and optics ready slide with a Vortex Viper red dot sight already installed! This pistol is in nice condition with a clean, bright bore. It comes in the original plastic hardcase with manual, cleaning rod, bore brush, optics mounting plates, 2-15 round magazines, loading tool, 4 grip inserts, and cable lock.