Compact first-generation M&P in .40 S&W with a 3.5-inch barrel. The plainclothes and backup companion to the full-size M&P40 Gen 1, sharing the same operating system and trigger in a more concealable package. Type: Pistol Action: Semi-Automatic Caliber: .40 S&W Capacity: 10 Year introduced: 2007, USA Weight: 21.9 oz Overall length: 6.7" Status: Discontinued Intended use: Concealed Carry, Backup