I THINK a 12 ga. hull holds about 150 to 175 grains by volume. I think. It has been a while since I checked one.
And you know that in spite of their "please don't try anything you see here at home" some goobers will get out their duct tape and try it. And since they won't be able to get black powder, they will use Pyrodex. Or smokeless. And we will again see headlines about "replica civil war cannon explodes."
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