Pittsburg:
I hadn't considered that idea. The more I think about it, the more I like it. The gun allready has brass inlays, so adding two more on each side, wouldn't look too bad.
Here is what the rifle looks like (except in a flintlock):
http://img.villagephotos.com/p/2003-1/86657/rifle.jpg
They would just need to have holes in them so the pins could come out.
~Robert