All-stainless .40 S&W version of the original Kahr K-frame design. Slightly heavier than the K9, the K40 offered .40 S&W in a slim carry package. Type: Pistol Action: Semi-Automatic Caliber: .40 S&W Capacity: 6 Year introduced: 1997, USA Weight: 25.6 oz Overall length: 5.9" Status: Active Intended use: Concealed Carry, Self-Defense