The New Haven Arms Co. Volcanic pistols and carbines manufactured in 1857-1860 are important pieces in the evolution of Winchester firearms. An estimated 1,000 total carbines were produced distributed across three different barrel length configurations. Serial number "230" stamped on the left of the lower tang ("2" stamped over the a "3"), lever, and underside of the buttplate. "2964" stamped on the right of the lower tang.