This New Haven Arms Company Volcanic lever action carbine was manufactured between 1857 and 1860 with an estimated 100 lever-action carbines with 21-inch barrels. The carbine has a Type II barrel with half rib and integral twenty-five shot magazine. The barrel has a rounded T-bar spring and half-moon, nickel silver, front sight blade. The top barrel flat is roll-stamped: "NEWHAVEN CONN. PATENT FEB.14.1854" in a single line. The brass receiver has a dove-tail mounted rear sight with elevation wheel and half-moon shaped cut out at the front of the ejection port. The hammer has a hand-knurled spur and the bolt has a single hook extractor. The rifle has a high comb, straight grain, walnut stock with crescent brass buttplate. The stock and buttplate are secured by hand fitted screws. The rifle serial number, "103" is stamped on the left side of the lower barrel tang, on the inside of the buttplate heel behind the screw hole and on the shanks of the buttplate screws and lower tang screw. All of the visible serial numbers match. A rack or inventory number "37" is stamped on the bottom of the receiver below the cartridge elevator. The rifle barrel/magazine was blued, the receiver and buttplate have a natural brass finish, the rear sight base and trigger spring are fire blue and the hammer, trigger and lever are color casehardened. The stock is oil finished.