Yeah, original Etek. I know what you're saying, if I could do the bolt milling over again it'd be a little different. The main goal of the metal removal was to take care of all the scratches and file down those damn jewel inserts in the back. The bolt milling was just a little assurance for me having a 1 of 1.
Just to avoid too much text, my g6r that I'm coincidentally selling atm (sig):
I've got a pretty crazy SM5 I can post up later if I take some pictures of it