The Model 1805 pistols were manufactured at Harpers Ferry c. 1806-1808 and were the first U.S. military pistols produced at one of the national armories, the only flintlock pistol model manufactured at Harpers Ferry, and one of two flintlock pistols models manufactured at the national armories with the other being the Model 1817s manufactured at Springfield Armory. 4,096 Model 1805 pistols were completed in matching numbered pairs. This example is from the 558th pair and was manufactured in 1807. It is one of an estimated 2,580 manufactured that year. It has a smoothbore barrel with the "P" and "US" proofs and "558" on the left at the breech. The lock has the federal eagle and "US" at the center and "HARPERS/FERRY/1807" at the tail. The furniture is brass. The half-length walnut stock has a faint cartouche on the left flat.