  full of smoke and fury  I have an increasingly irrational, or
perhaps irrationally increasing, desire to make a short-
barreled, in-line muzzle loader rifle. Why? Because it would be
fun.  So far I have determined that building one off a T/C
Contender, T/C Encore, H&R 1871, Rossi S50, and a few other
frames/actions would be a Very Bad Idea in the eyes of the
government (at least, as I understand it, and it is probably
always better to err on the side of caution when it comes to the
authoritarian halfwits at the BATFE), that the muzzle velocity
will, of course, suffer, and that the smokescreen from setting
it off would be somewhere on the order of "epic". Is there
anything else I should consider / be aware of, given my
knowledge of black powder is… limited.  Anything other than
"this is plain bonkers", that is.  Oh, and the serious reason
behind doing this? Muzzle loaders, aside from the specific
models mentioned above, are not considered "firearms" by the
BATFE, and, as such, are not regulated in any fashion