Quote Originally Posted by Robinhood View Post
The Long Action bolt heads of all face diameters cab be modified, by shortening the "tail" of the he bolt head, to work in a short action bolt. Given the firing pin diameters and lengths one needs to know what the are getting into when swapping bolt parts and actions.

if you read the posts above Robinhood, I need a long action so need the longer bolt head, not the shorter one.