Samuel Colt new revolver had a stationary trigger and was in a larger caliber. Colt submitted his single prototype to the War Department as a "Holster revolver". Captain Samuel Walker of the Texas Rangers had acquired some of the first Colt revolvers produced during the Seminole War and saw first-hand their effective use as his 15-man unit defeated a larger force of 70 Comanche in Texas. Walker wanted to order Colt revolvers for use by the Rangers in the Mexican–American War, and traveled to New York City in search of Colt. He met Colt in a gunsmith's shop on January 4, 1847,
Snubnosed revolver States. It featured a 2.5" barrel and was chambered for .442 Webley or .450 Adams cartridges. Webley produced smaller scaled .320 Revolver and .380 calibre versions later, but did not mark them with the British Bull Dog name. The term "bulldog revolver" would go on to become synonymous with large caliber "snubnosed revolvers." The Colt M1877 Double Action Revolver is a 6-shot, double-action revolver manufactured by Colt from January 1877 to 1909 for a total of 166,849 revolvers. The Model 1877 was offered in three calibers, which lent them three unofficial names: the .38 Long Colt "Lightning", the .41 Colt