The Kahr MK40 is an all-stainless micro-compact .40 S&W, the metal-frame counterpart to the PM40. Extremely compact for the caliber with all-metal construction. Type: Semi-Auto Pistol Action: DAO Caliber: .40 S&W Capacity: 5 Year introduced: 1999, USA Weight: 25 oz Overall length: 5.35" Status: Active Intended use: Concealed Carry