The Kahr P40 is a compact polymer-frame .40 S&W with a 3.5-inch barrel. Slim single-stack design makes it easier to conceal than most .40 S&W compact pistols. Type: Semi-Auto Pistol Action: DAO Caliber: .40 S&W Capacity: 6 Year introduced: 1999, USA Weight: 18 oz Overall length: 6" Status: Active Intended use: Concealed Carry