The compact variant of the first-generation M&P9, featuring a 3.5-inch barrel and shortened grip frame. Designed as a plainclothes or backup pistol while sharing components and magazines with the full-size Gen 1 M&P9. Type: Pistol Action: Semi-Automatic Caliber: 9mm Capacity: 12 Year introduced: 2007, USA Weight: 21.7 oz Overall length: 6.7" Status: Discontinued Intended use: Concealed Carry, Backup, Service