The Smith & Wesson Performance Center 327 .357 Mag is a usa-made double-action revolver chambered in .357 Magnum, introduced in 2003. Primary use: self_defense, law_enforcement. Type: Revolver Action: Double-Action Caliber: .357 Magnum Capacity: 6 Year introduced: 2003, USA Weight: 42 oz Overall length: 9.6" Status: Active Intended use: self_defense, law_enforcement