The Colt Viper .38 Spl is a usa-made double-action revolver chambered in .38 Special, introduced in 1977. Primary use: Carry. Type: Revolver Action: Double-Action Caliber: .38 Special Capacity: 6 Year introduced: 1977, USA Weight: 32 oz Overall length: 9.5" Status: Discontinued Intended use: Carry