I thought I posted a reply here yesterday thanking you guys profusely, but I don't see it. I guess I nodded off at the keyboard and never sent it so thanks to all for the wealth of information on this rifle/cartridge! I feel confident, having now purchased the old relic for $269, that I can muster some brass and bullets here at home to make this thing shoot. Bullets may be a bit of an issue, since I neither cast nor own a sizer, but perhaps buying the next size up in cast and then investing in a sizer would be the way to go?
It needs some work (and I am not sure what a 'dark bore' will amount to in this case) but it should be a good inexpensive project provided there is enough rifling left to shoot accurately. If it's a dud I won't be too disappointed. I needed a nice old wall hanger anyway.