Get a hold of Garrett Caldwell. Good friend and former employee who will bed your rifle the right way. Garrett lives in the Wash-DC area and still does work for folks from time to time.
Regarding pillars:
Bedding a rifle and then going back to install pillars afterwards is kinda like building an engine and then deciding that you want different pistons. It's far simpler to do it all at once.
This is an example of mine and Garrett's work:
If your interested, PM me for a phone number.
Chad