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,
Tranter (revolver) Works was then sold to Schlund, who renamed the company Aston Arms Co. Ltd. and the brand name to the Schlund Revolver. The factory closed down in 1891. Only 600 Kynock revolvers of all versions and models were ever made. Famous users of Tranter revolvers included Allan Pinkerton, founder of the Pinkerton Detective Agency, the Confederate General James Ewell Brown Stuart, and Ben Hall, the Australian bushranger, and Arthur Conan Doyle's Sherlock Holmes. It is also known that Dr Richard Jordan Gatling, inventor of the Gatling Gun owned an 80-bore (.38-calibre) First Model Tranter Pocket Revolver with a 4.29-inch [109mm]