Lewis and Clark's secret weapon - a late 18th Century .46 cal. 20 shot repeating air rifle by Girandoni , as used bin the Napoleonic Wars. A Treasure Gun from the NRA National Firearms Museum. ‪Girandoni air rifle as used by Lewis and Clark. A National Firearms Museum Treasure Gun.‬‏ - YouTube
kind of like that picture where the Indian had a compound bow and they ask what if?This would have been quite a tool to have in those days.
