Approximately 300 pistol-carbines with attachable stock were manufactured by the Volcanic Repeating Arms Company c. 1855-1857. These are important pieces in the evolution of Winchester firearms. This pistol-carbine has a 16 1/2 inch octagon barrel with integral 20-shot magazine, brass receiver and cocking lever with round finger hole. The back strap has a single hole to accept a detachable shoulder stock lug and a small alignment pin. Serial number "164" stamped on the right of the loading lever, left of the frame underneath the grip, and inside of both grips. Includes reproduction attachable shoulder stock.