Walther PPX in 40 S&W. The 40 S&W variant of the PPX hammer-fired polymer pistol, produced for law enforcement agencies that standardized on 40 S&W. Uses the same DAO hammer mechanism as the 9mm version with a modified slide and barrel assembly for the 40 S&W cartridge. Type: Pistol Action: Semi-Automatic Caliber: 40 S&W Capacity: 14 Year introduced: 2012, Germany Weight: 27.7 oz Overall length: 7.3" Status: Discontinued Intended use: Service, Law Enforcement