The Ruger P89 is a full-size double-action/single-action 9mm pistol that served as Ruger's primary service pistol offering through the late 1980s and 1990s. Built on an aluminum alloy frame with stainless slide, it is one of the most durable American-made service pistols of its era. Widely used by law enforcement agencies and the civilian market. Type: Semi-Auto Pistol Action: Semi-Automatic Caliber: 9mm Capacity: 15 Year introduced: 1987, USA Weight: 32 oz Overall length: 7.84" Status: Discontinued Intended use: Service, Law Enforcement, Home Defense