The original caliber for which the USP was designed, the .40 S&W variant offers a balance of capacity and stopping power in HK's proven polymer service pistol platform. Type: Pistol Action: Semi-Automatic Caliber: .40 S&W Capacity: 13 Year introduced: 1993, Germany Weight: 28.2 oz Overall length: 7.64" Status: Active Intended use: Service, Law Enforcement