Harper's Ferry models 1805, 1806, 1807 and 1808 flintlock pistols were all identical and there were no changes in design during this model year sequence. The M1805 pistol was a .54 caliber, single-shot, smoothbore, flintlock pistol intended for field duty. Pistols made for officers resembled the standard horse pistol but featured more elaborate decoration, and sometimes a rifled barrel.
The Harper's Ferry models from 1805 to 1808 produced identical pistols with no design changes throughout the sequence. The M1805 pistol was a .54 caliber, single-shot, smoothbore flintlock intended for field duty. Officer-made pistols were similar to standard horse pistols but featured more elaborate decoration and sometimes had rifled barrels.