The Smith & Wesson .38 Double Action 1st Model is a usa-made double-action revolver chambered in .38 S&W, introduced in 1880. Primary use: self_defense, law_enforcement. Type: Revolver Action: Double-Action Caliber: .38 S&W Capacity: 6 Year introduced: 1880, USA Weight: 32 oz Overall length: 9.5" Status: Discontinued Intended use: self_defense, law_enforcement