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,
Starr revolver Starr revolver A Starr revolver (Starr DA) is a double-action revolver which was used in the western theater of the American Civil War until the U.S. Ordnance Department persuaded the Starr Arms Co. to create a single-action variant after discontinuation of the Colt. The company eventually complied, and the Union acquired 25,000 of the single-action revolvers for $12 each (). However, the price paid by the government for the DA army revolver was $25. The State of Ohio purchased 500 of the .36 Caliber Navy version for $20 each. The Starr DA .44 cylinder holds in each chamber of powder,