For those who are looking to buy.

[ArmedMainer]

Check these sites out:
http://www.riverofguns.com/
http://elitedealseeker.com/index.cgi?category=gunstuff
If you are looking for a certain gun related item sooner or later it'll show up on one of these sites.

 

[RickG]

Great sites! If nothing else, for all the gun forum links.
Thanks!