This is an example of a Model 1836 flintlock pistol manufactured by Robert Johnson of Middletown, Connecticut, in 1843 and later, (1850s), converted to percussion. The lock is marked "US./R. JOHNSON/MIDDn CONN./1843", there is a small "H" on some of the parts and the top of the barrel at the breech is marked "JH/P". The pistol has the distinctive iron swivel ramrod with button head, barrel band that extends to join the side plate and integral back strap and buttcap. The barrel, side plate/barrel band, ramrod, buttcap and trigger guard were finished National Armory Bright. The lock plate, hammer, barrel tang and trigger have a casehardened finish. Mounted with a walnut stock with two clear cartouches on the left flat.

Manufactured from 1845 to 1852. The lock is marked "MIDDTN/CONN/1849" behind the hammer and "US/ASTON" in front of the hammer. The barrel is absent of the normal breech end barrel markings. There is a "K" on the barrel band strap and on the lower tang ahead of the trigger guard. Brass mountings, button head steel swivel type ramrod and mounted with a one-piece walnut stock.