The Smith & Wesson LCR .357 Mag is a usa-made double-action only revolver chambered in .357 Magnum, introduced in 2009. Primary use: self_defense, sport. Type: Revolver Action: Double-Action Only Caliber: .357 Magnum Capacity: 5 Year introduced: 2009, USA Weight: 42 oz Overall length: 9.6" Status: Active Intended use: self_defense, sport