Colt 1851 Pocket Navy Conversion 38 Rimfire 4.5" SA Revolver 1850 Antique

This Colt 1851 Pocket Navy Conversion is a rare survivor from the transitional period between cap-and-ball and metallic cartridge revolvers. Originally manufactured circa 1850, this revolver was converted in the 1870s to fire the then-modern .38 Rimfire cartridge. With its early four-digit serial number “473” matching across the barrel, frame, trigger guard, and butt, this example offers collectors a remarkable opportunity to own a genuine factory conversion by Colt during one of the most significant technological shifts in firearms development.

Despite showing no remaining original finish, the revolver retains its character through an even brown patina and visible period wear consistent with its age. The frame markings noting the 1871 and 1872 conversion patents, along with the classic “ADDRESS COL SAML COLT NEW YORK US AMERICA” barrel marking, are still discernible. Impressively, the original cylinder scene—often long gone on similar pieces—is still partially visible. The smooth wood grips show only mild handling marks and age shrinkage, rating in Very Good condition for a 175-year-old revolver with no cracks or chips.

Mechanically, the revolver functions well...

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