First off +1 with Mudrunner. I have 2 Rem 700 with the PTG oversized bolts with M-16 extractors and love them. Do they have that custom fee to me, no. I went this route to utilize what I have and give my smith every option to true the action with custom bolt features, while selling the old bolt to off set the cost, both are sub 1/2" moa and worked for me. It is all in what you want and the satisfaction of the best you are willing to pay for. I have a 1978 circa Rem 700 that's still shoots sub moa with 4500 rounds through it and when I send it in for a new barrel, I will have it trued. If you have a good smith, talk with him, find one if you don't, you won't be sorry.