Should I just use what Atlas Recommends or is there a better option? Will drilling holes devalue my Accustock when I go to sell it at some point? Probably.

Maybe I could remove both swivels since I dont need them and use those pre drilled holes?...somehow.

This is what Atlas recommends:
http://www.accu-shot.com/catalog/pro...products_id=64

and these:

http://www.accu-shot.com/catalog/pro...products_id=73