Colt's first double-action revolver, also their most troublesome. A complex double-action lockwork that was prone to breakage. Available in three calibers: .32 (Rainmaker), .38 (Lightning), and .41 (Thunderer). Billy the Kid reportedly carried a .41 Thunderer alongside his Winchester. Pat Garrett, the sheriff who shot Billy the Kid, also carried a Lightning. Despite reliability issues, it was widely sold as a self-defense revolver. Type: Revolver Action: Revolver Caliber: .38 Long Colt Capacity: 6 Year introduced: 1877, USA Weight: 32 oz Overall length: 9.5" Status: Discontinued Intended use: civilian, law enforcement