Manufactured in 1875. Fixed blade front sight and stepped base 1,100 yard folding ladder rear sight, high arch breechblock marked "MODEL/1873/eagle head/crossed arrows/US", oval "ESA" (Erskine S. Allin) cartouche on the left wrist, and inventory number "12" stamped on top of the stock comb.

Very good as arsenal refinished, with areas of smooth brown patina, freckling and some light pitting. Stock is also very good, with dents, cracks, scratches, and chips. Mechanically excellent.