The Ruger P345 .45 ACP is a usa-made double-action pistol chambered in .45 ACP, introduced in 2002. Primary use: self_defense, law_enforcement. Type: Pistol Action: Double-Action Caliber: .45 ACP Capacity: 8 Year introduced: 2002, USA Weight: 30 oz Overall length: 7.5" Status: Discontinued Intended use: self_defense, law_enforcement