here is an interesting thread if you have not seen it yet
http://forum.lugerforum.com/showthre...der+rear+sight
the search for a gunsmith to make and solder the toggle base etc has been elusive - but perhaps someone could emulate the dewey base solution
also see
http://www.youtube.com/watch?v=FQfij0LXT4Y
http://www.waffen-werle.de/target%20luger.htm
happy hunting !
Bill