The Iver Johnson Safety Hammerless .38 S&W is a usa-made double-action revolver chambered in .38 S&W, introduced in 1894. Primary use: self_defense, law_enforcement. Type: Revolver Action: Double-Action Caliber: .38 S&W Capacity: 6 Year introduced: 1894, USA Weight: 30 oz Overall length: 9" Status: Discontinued Intended use: self_defense, law_enforcement