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One hundred ducks per shot (3 pics + video)
In 19 (XIX) century in the United States really existed shotguns size as in the picture above (up to 3 meters). Shooting was conducted with a special stand. Used mainly for hunting floating game. If successful, the shot can be put up hundreds of ducks.
Called this miracle Puntgun (Pantgan), from the word punt - skiff - a small boat, in which hunters took to the water body for shooting birds. Due to the high efficiency of this type of weapon in many states has declined sharply herd ducks, so by 1870 almost everywhere he was legally prohibited.
Pantgan in action:
