The Colt Lightning Revolver .38 Colt is a usa-made double-action revolver chambered in .38 Colt, introduced in 1877. Primary use: self_defense, law_enforcement. Type: Revolver Action: Double-Action Caliber: .38 Colt Capacity: 6 Year introduced: 1877, USA Weight: 32 oz Overall length: 9.5" Status: Discontinued Intended use: self_defense, law_enforcement