The Ruger P944 is the .40 S&W chambering of the P94 platform, sharing the integral accessory rail and aluminum-alloy frame. The .40 S&W chambering was added to the P-series in response to law enforcement agency demand for the cartridge in the late 1990s. Offered in decocker-only and safety/decocker configurations. Type: Semi-Auto Pistol Action: Semi-Automatic Caliber: .40 S&W Capacity: 11 Year introduced: 1999, USA Weight: 34 oz Overall length: 7.66" Status: Discontinued Intended use: Service, Law Enforcement