Here are a couple of links:
Curios and Relics Homepage:
http://www.shelfspace.com/~c-r-ffl/
Crufflers magazine, forums, and resources:
http://www.cruffler.com/
You can surf these and learn how & why to obtain a C & R license and get answers to all your questions.
The link to the LugerForum Frames Pages is
http://www.lugerforum.com/
License worth having.