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do you have to change the bolt or action for a new caliber?

2090 Views 5 Replies 6 Participants Last post by  BigBob3006
I am going to make a custom rem 700. I was going to start with a used gun and strip the barrel and action apart and get a new barrel and so on. I found many cheap used rem 700 in 7mm rem mag but i am going to make mine in a .308. Do I need to get a new bolt for it, and also would that action work for it as well or do i need an original .308 gun?
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The 7 mag has a larger head size and would probably be less trouble if you started with something that matched the .308 (.243 et al).
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