Sharps New Model 1863, .52 cal. percussion breech loading carbine.   Serial #31581.  Good condition.  One of the most relied upon Civil War carbines and very, very collectible! 22” barrel has some pitting and slightly worn rifling, correct sights, mostly patina finish with faint address marking.  Receiver and lock plate have fading colors with crisp markings.  Saddle ring present on left side.  Stock and forearm have very good original finish with few light handling marks, very good hardware.  Action is tight and works perfectly.  An extremely nice, correct example of this famous Civil War carbine!  Antique, can ship your door.