It definitely looks homemade. I can't speak for anywhere else, but growing up in Pennsylvania, there were any number of guys on the farm or in the mechanic's shops who, if they got a burr under their saddle, would have made one [like that] just to prove they could.

This gun probably worked just fine in the time when it was made, took a bunch of game, and kept foxes out of henhouses and daughters and their suitors separate. Or together, as the case might have been.

fiery, dependable, occasionally transcendent