The Ruger P90 is the .45 ACP variant of the P-series, offering a full-size DA/SA pistol in the classic American defensive caliber. Built entirely of stainless steel, it is exceptionally durable and corrosion resistant. The 8+1 capacity was standard for .45 ACP pistols of its era. Gained a reputation for extreme reliability and longevity. Type: Semi-Auto Pistol Action: Semi-Automatic Caliber: .45 ACP Capacity: 8 Year introduced: 1991, USA Weight: 34 oz Overall length: 7.87" Status: Discontinued Intended use: Service, Law Enforcement, Home Defense