Original U.S. Winchester Model 1873 .44-40 Repeating Rifle with Shortened 21" Octagonal Barrel Made in 1887 - Serial 226040B U.S. Machine Guns There also were some markings

There also were some markings on the barrel tang

There is just some light staining in areas

Browning M2HB

making this a very nice example

so it is undeniably a Colt 1851 Navy

Original U.S. Winchester Model 1873 .44-40 Repeating Rifle with Shortened 21" Octagonal Barrel Made in 1887 - Serial 226040B U.S. Machine Guns There also were some markingsOriginal Item: Only One Available. "The Gun that Won the West!" This very interesting "frontier modified" 1873 Winchester repeating rifle is in . 44 40 caliber, correctly marked with 44 W. C. F. over the chamber and remnants of 44 CAL. on the brass carrier block. It features a desirable octagonal barrel which has been shortened to 21", as well as a full length brass magazine tube, possibly custom made. As with all examples, it is marked MODEL. 1873.