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,
Colt 1851 Navy Revolver rimfire or centerfire cartridges, the "Colt Model 1851 Richards- Mason Conversion" by the Colt factory. Famous "Navy" users included Wild Bill Hickok, John Henry "Doc" Holliday, Richard Francis Burton, Ned Kelly, Bully Hayes, Richard H. Barter, Robert E. Lee, Nathan B. Forrest, John O'Neill, Frank Gardiner, Quantrill's Raiders, John Coffee "Jack" Hays, Wallace, Frederick Townsend Ward, Ben McCulloch, Addison Gillespie, John "Rip" Ford, "Sul" Ross and most Texas Rangers prior to the Civil War. Use continued long after more modern cartridge revolvers were introduced. The Ottoman Empire used the revolver as late as the Russo-Turkish War of 1877–78 even though