Wow! my brains going to overload on all the info! Tonight figured out I wasn't seeing the "Lugerforums.com" homepage. There is a LOT of good stuff there I need to study, that would undoubtedly clear up a lot of these markings to me.
I will take some pictures and post them here. I can see a new addiction developing...
Thanks everyone for the excellent and detialed explanations and photos. This seems to be a really good forum.