Is not a shotgun. It's a Sharps Model 1874 "buffalo" rifle. The caliber on this bad boy starts at .40 (which means the barrel opening is 4/10ths of an inch in diameter and, by extension, the size of the cartridge used in the gun) with many models in the .45-.50 range. Cartridges (the bullet, gunpowder, and primer all packed inside a metal case) were around four inches in length. That's a sizable weapon, folks.
And you needed one to take down this (if you were a buffalo hunter in the late 1800s):
Yes, the American Bison (the state animal of Kansas). Too bad the undead versions don't go down with a single head shot.
And that's all you need to know about my WIP. Have a good one.