.58 caliber. 12" round barrel secured by a single barrel band. SN: 8. Bright finish, brass furniture, walnut stock. Single shot muzzleloading pistol with captive swivel ramrod, detachable shoulder stock and Maynard automatic priming mechanism. Lock marked U.S./SPRINGFIELD, tape primer magazine marked with a {Spread Winged Eagle} and dated at 1856 at tail. Breech plug tang dated 1855. Rear of butt cap with mating number 8. No cartouche visible on counterpane. Missing the original leaf rear sight, with a replacement fixed rear sight in the dovetail. Fixed front sight blade. Single swivel on barrel band, sling ring on butt. Includes an 1855 pattern detachable brass mounted walnut stock with sling swivel in toe. Attachment collar is not numbered.

Only 4,021 these unique pistol carbines were produced circa 1855-1857 at Springfield Arsenal and these were one of the very few models of handguns to ever be produced there.