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 Paterson Starting in 1839, however, a reloading lever and a capping window were incorporated into the design, allowing reloading without requiring partial disassembly of the revolver. This loading lever and capping window design change was also incorporated after the fact into most Colt Paterson revolvers that had been produced from 1836 until 1839. Unlike later revolvers, a folding trigger was incorporated into the Colt Paterson. The trigger only became visible upon cocking the hammer. A subsequent patent renewal in 1849, and aggressive litigation against infringements, gave Colt a domestic monopoly on revolver development until the middle 1850s. Early Colt literature and