The Kel-Tec P-40 applies the P-11 platform to the .40 S&W cartridge, offering slightly reduced capacity but higher energy per round. It uses the same basic polymer frame and DAO trigger system. Type: Pistol Action: Semi-Automatic Caliber: .40 S&W Capacity: 9 Year introduced: 1999, USA Weight: 15.8 oz Overall length: 5.6" Status: Discontinued Intended use: Concealed Carry, Self Defense