[Bitman]

BTW...
My favorite is probably the CVA Optima with a Red Dot scope
https://cva.com/product/optima-v2-pistol-stainless-steel-with-black-stocks/

It takes a month to wipe the smile from my face every time a pull the trigger.

[Eric in the Ozarks]

Check out Quackenbush .50 cal single shot rifle, made in Boliver, Missouri.
It’s not a muzzle loader but shoots a .495 round ball via compressed air.