The Ruger Security-Six was developed as a durable, affordable double-action .357 Magnum revolver intended to compete with Smith and Wesson in the law enforcement market. Its solid construction and simple design made it attractive to departments seeking lower-cost alternatives. It was adopted by the Federal Bureau of Prisons and numerous state and municipal police agencies. Type: Revolver Action: Double-Action Caliber: .357 Magnum Capacity: 6 Year introduced: 1970, USA Weight: 33.5 oz Overall length: 9.25" Status: Discontinued Intended use: Law Enforcement