Remington Argentine Model Rolling Block, .43 Spanish cal. singe shot carbine.  NS.  Fair condition.  20 ½” barrel has excellent bore.  Barrel and receiver are all re-blued over heavy corrosion.  Legible address markings.  Stock and forearm are smooth with oil finish.  Reblued hardware and butt plate.  Rolling block action works beautifully and locks up tight.  Interesting 19th century military carbine!  Super display piece! Antique, can ship to your door.