.44 rimfire and centerfire single-action revolver, with 7" barrel and integral ejector. Hammer nose fitted with two firing pins so rimfire or centerfire cartridges can be used interchangeably. Barrel marked "United States Arms Company - New York"; topstrap "No. 44". Blued, with hard rubber or rosewood grips. Manufactured in limited quantities. Circa 1870 to 1875.