I suspect part of the deal is that pre-64 and post-64 stuff won't interchange, including stocks. .
I just tried to swap a post 64 M70 bolt with a Rem700 bolt and they don't swap. They look alike, but...
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. -Ernest Hemingway The man who makes no mistakes does not usually make anything.-- Edward John Phelps
