I strongly recommend against "turning it in until" anything.
Over sizing your brass is asking for short lived cases at the least and head separation at worst.
Use Hornady's headspace gauge kit, the appropriately sized nylon spacer or just a socket of appropriate size (10mm for .308) and actually MEASURE how much you're moving the shoulder. Any more than 0.002 is too much for a bolt gun.
You will have 0 problems closing the bolt and your cases will last for literally dozens of reloads.
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