Technical Specifications

Type	Revolver
Country of origin	United States
Designer	William Mason
Designed	1877
Wars	American Indian Wars, North-West Rebellion, Spanish-American War
Used by	Cowboys, Lawmen, American Old West bandits and outlaws, hunters,
No. built	166,849
Weight	24 ounces
Length	9.06 inches
Barrel length	4.41 inches
Width	1.34 inches
Height	4.80 inches
Cartridge	.32 Long Colt ("Rainmaker") · .38 Long Colt ("Lightning") · .41 Long Colt ("Thunderer")
Action	Double-action revolver
Feed	6-shot cylinder

Data from Colt M1877 (Wikipedia, 2026-09-22). Text licensed under CC BY-SA. Image: CC BY-SA 3.0 — Hmaag.

Compatible Calibers (1)

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