The Ruger Vaquero .357 Mag is a usa-made single-action revolver chambered in .357 Magnum, introduced in 1993. Primary use: sport, hunting. Type: Revolver Action: Single-Action Caliber: .357 Magnum Capacity: 6 Year introduced: 1993, USA Weight: 40 oz Overall length: 9.5" Status: Active Intended use: sport, hunting