I was just wondering if the grip was pushed up all the way to the stock and screwed in or if the tolerances on the stock were off. I doubt it's the Ergo grip itself because I have one as well and it mates up fine with one of my other rifles.
I don't know and to be honest I don't really care cause it works just fine. When I get back around it I will look and see I can't remember if I put a spacer in there because my bolt was too long and it caused it not to reach it.