The original M&P 9 that launched Smith & Wesson's polymer striker-fired platform. First-generation features a 4.25-inch barrel, interchangeable palm swell grips, and no external safety option. Adopted by numerous law enforcement agencies as a direct Glock alternative. 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 / Service, Law Enforcement