Manufactured c. 1856-1864. There are only an estimated 125 sporting rifles made in this caliber, and of that, only 55 with a 24 inch barrel length (reference pg. 182 of "The Book of Colt Firearms" by R.L. Wilson). Provenance: The Phillip Otto Clark Collection

Good overall with traces of original finish, mild oxidation/pitting, some modifications and replacement parts, gaps at the tangs, and general moderate overall wear. Mechanically fine.