The original M&P9 introduced the M&P platform — a striker-fired polymer pistol with interchangeable backstraps and an aggressive grip texture designed specifically for law enforcement. Adopted by hundreds of agencies as a Glock alternative with a more ergonomic grip angle. Type: Pistol Action: Semi-Automatic Caliber: 9mm Capacity: 17 Year introduced: 2005, USA Weight: 24 oz Overall length: 7.63" Status: Discontinued Intended use: duty, law_enforcement, home_defense