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Opening bolt face on Weatherby

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  #1  
Unread 01-13-2012, 03:50 PM
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Opening bolt face on Weatherby

Can the bolt face of a Mark V in 300 Wtby be opened up into the .585 range?
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  •   #2  
    Unread 01-13-2012, 10:09 PM
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    Re: Opening bolt face on Weatherby

    Quote:
    Originally Posted by Moman View Post
    Can the bolt face of a Mark V in 300 Wtby be opened up into the .585 range?
    Yes. very easy and the extractor for a 30 378 can be used with little if any modifications.( you
    can order the extractor from Weatherby).

    J E CUSTOM
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      #3  
    Unread 01-13-2012, 10:28 PM
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    Re: Opening bolt face on Weatherby

    Quote:
    Originally Posted by J E Custom View Post
    ( you
    can order the extractor from Weatherby).

    J E CUSTOM
    I would order a spare while you are at it...

    Jeff
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      #4  
    Unread 01-13-2012, 10:41 PM
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    Re: Opening bolt face on Weatherby

    Alright, thanks guys. I found a japanese Mark V in that caliber and it seemed like a decent price. Thought I might pick it up for a future build.
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      #5  
    Unread 01-13-2012, 10:43 PM
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    Re: Opening bolt face on Weatherby

    .338 Lapua??

    The extractors are pretty weak, this is the only down fall of this action as far as I am concerned. But they have only broken for me when I was doing load development and got a little pressure sign.

    Jeff
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      #6  
    Unread 01-13-2012, 10:52 PM
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    Re: Opening bolt face on Weatherby

    Quote:
    Originally Posted by Broz View Post
    .338 Lapua??


    Jeff
    Yeah, something in that range. I can get this action for quite a bit less than going custom so thought I would give it a try.
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      #7  
    Unread 02-02-2014, 08:57 PM
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    Re: Opening bolt face on Weatherby

    Old thread, but someone should chime in.

    The 30-378 or 378 Weatherby has a Lapua-Norma boltface correct. Would that mean it is stronger than buying a 300 Weatherby and opening it up?

    That was my impression anyway. Who might know that answer?

    Thanks
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