@FBM,
did you ever have a ball roll out the barrel ?
I tried hunting with a muzzle loader once and, as I was taking a piss by a tree (while holding my rifle, barrel down), I heard this toonky-toonky-toonk-toonk-toonk- PLOP the bal rolled out the barrel. I didnt stuff a patch in there.
Fortunately I did not see a deer all day, and then I quit all big game hunting in favor of only small game and goose with weapons as god had intended us to own, cartridge based, center fire, and multi shot capacity.