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Converting a 270 Win to a 300 Win Mag

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  #1  
Unread 03-02-2013, 10:01 PM
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Join Date: Jul 2010
Posts: 288
Converting a 270 Win to a 300 Win Mag

I currently have a 270 Sendero. I was thinking of re-chambering it to a 300 WM.
Is this possible?
Would I/can I need to buy a new bolt?
Can the existing barrel be re-cut or would I need a new one?
Would I be better off just buying a new rifle?

This older Sendero shoots really well, but it is a little heavy for what you get out of a 270 and I get the same out of an old BDL.

Thanks,
Shane
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  •   #2  
    Unread 03-04-2013, 09:01 AM
    Edd Edd is offline
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    Join Date: Jan 2011
    Location: Tulsa
    Posts: 2,140
    Re: Converting a 270 Win to a 300 Win Mag

    Quote:
    Originally Posted by Shane Lindsey View Post
    I currently have a 270 Sendero. I was thinking of re-chambering it to a 300 WM.
    Is this possible?
    Yes it is possible.
    Quote:
    Would I/can I need to buy a new bolt?
    You could buy a new bolt or you could have yours modified to fit the larger diameter 300WM case. Your magazine box and feed rails will also need some massaging.
    Quote:
    Can the existing barrel be re-cut or would I need a new one?
    It could be re drilled and rifled but a new barrel would be the best way.
    Quote:
    Would I be better off just buying a new rifle?
    In my opinion, Yes.
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      #3  
    Unread 03-06-2013, 09:12 PM
    Gold Member
     
    Join Date: Oct 2006
    Posts: 645
    Re: Converting a 270 Win to a 300 Win Mag

    I have made the bolt face, extractor, and magazine mod for Mausers.
    It is a lot of trouble when you can just trade rifles.

    I got a 7mmRemMag Rem 700 three months ago for $395 with scope at a pawn shop.
    I got a 7mmRemMag Rem 700 nine months ago for $300 at a gun show. That is a 1963 with SS Hart barrel painted black at the factory.

    Those convert to 300 Win Mag with just a barrel swap.
    Attached Thumbnails - Click to View Larger
    Converting a 270 Win to a 300 Win Mag-395-rem-700-adl-7mmrm-djs-vari-x-iic-2x9-scope-12-8-2012.jpg   Converting a 270 Win to a 300 Win Mag-gun-show-1963-rem-700-300-6-23-2012.jpg  

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