I have to ask, why?
What purpose doe's this serve? It makes big noises and big holes, that's all the putrpose it needs.
What purpose does a six pounder muzzle loading cannon serve?
It's just a blast.
So9
That thing will bring blood from both ends. I'll stick with my rugers in 45LC and heavy hand loads. If i was hunting Elk, Moose or Brown bears I'd consider it.