Total production of pistol-carbines is estimated to be approximately 300 or less guns. They were originally advertised as "Detached Breech Rifle Carbines." This example is marked "THE VOLCANIC/REPEATING ARMS CO./PATENT NEWHAVEN CONN. FEB.14.1854" on the top barrel flat, has a pinched front sight and period elevation adjustable notch rear sight. Both grip panels and lever are numbered to the gun. A star is stamped on the bottom of each grip panel. The attachable stock is walnut and fitted with a brass buttplate. This firearm was examined by George Madis who found it to be "original and correct" as stated in the accompanying Madis letter.