As to which particular Mauser, heck I don't even know how to tell 'em apart, but I've handled old and new and considering how long its been in the game and that you can find parts all over the WORLD not just your local American sportsman's store it gets my vote as well.
ORIGINAL: Ought Six
Paul Mauser was one smart fella.
^^^Him and John Browning have their own little drawing boards in heaven