The M&P 9 is a semi-automatic pistol in the Smith & Wesson M&P (Military & Police) series, designed specifically for law enforcement officers and the military, and is also suitable for the civilian market. The pistol fires 9×19mm Parabellum bullet and has a standard magazine capacity of 17 rounds. Its design features include a polymer frame and stainless steel slide for exceptional durability and reliability. In addition, the M&P 9 comes with a replaceable grip backplate to suit the hand shapes of different users.