Here is a photo from the web pages of Waffen-Werle, Master gunsmith Herb Werle is also one of our members.
This .45 has a loading mechanism similar to what Ron has described. It looks like it only holds 3 or four rounds, but I bet it is a blast to shoot (pun intended)...
Here is Herb's website address ( and there is also a link on our Links & Resources page).
http://www.waffen-werle.de
If you haven't visited his pages before, he is a really different kind of gunsmith... he only uses mismatched guns for his efforts in case anyone is wondering...