Smith & Wesson M&P9 Shield Plus OR, Striker Fired, Semi-automatic, Polymer Frame Pistol, Micro Compact, 9MM, 3.1 Barrel, Armornite Finish, Black, Tritium Night Sights, Optics Ready, Thumb Safety, 13 Rounds, 2 Magazines, (1)-13 Rounds and (1)-10 Rounds 13536 Smith & Wesson is excited to introduce a new addition to the M&P family! The new Shield Plus Optic Ready pistols are chambered in 9MM and have a 3.1in barrel now with slide cut for optics, orange ring tritium front sight, black tritium rear sight.