The Universal Self-Loading Pistol (USP) introduced HK's polymer frame to a full-size duty pistol, featuring a recoil reduction system and multiple trigger variants. Type: Pistol Action: Semi-Automatic Caliber: 9mm Capacity: 15 Year introduced: 1993, Germany Weight: 67 oz Overall length: 7.6" Status: Active Intended use: Duty, Law Enforcement, Collecting