Hello Howard,
I think there is an easy way to get your answer from Thor.
Send him one of your lugers with some trouble areas, pay him the $ 400-500 to do his touch-up magic, and you will then probably have the answer to your question in your hands...when you get your gun back home...
<img border="0" title="" alt="[Wink]" src="wink.gif" />
Regards,
Pete... <img border="0" alt="[typing]" title="" src="graemlins/yltype.gif" />