The M&P40 first generation was the .40 S&W variant of S&Ws duty-pistol comeback and quickly became one of the most widely issued law enforcement pistols in the United States. At peak adoption, the M&P40 was carried by hundreds of thousands of American police officers. Its ergonomics and reliability were consistently praised in LE evaluations. Discontinued with the introduction of the M2.0. Type: Pistol Action: Semi-Automatic Caliber: .40 S&W Capacity: 15 Year introduced: 2005, USA Weight: 25.3 oz Overall length: 7.6" Status: Discontinued Intended use: Service, Law Enforcement