Shadow Systems Mr920, Foundation, Striker Fired, Semi-automatic, Polymer Frame Pistol, Compact, 4.5" Threaded Barrel, Nitride Finish, Black, Green Tritium Front Sight, Black Serrated Rear Sight, Optics Ready Slide, 15 Rounds, 2 Magazines, Includes (3) Backstraps And Optics Kit Ss-1310-1d