[TaMoDee]

Any outdoor gear website: Cabela’s; Midway; etc, etc.
Search: blackpowder pistol or rifle.
Have fun!
“Keep your powder dry!”

[Pearls Before Swine]

Those are percussion cap fired.

A real musket is a smooth bore blunderbuss with a flint fired powder charge. They are hard to find, and for good reason.

But, thanks for your help.