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Help me build a 7saum please

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  #1  
Unread 10-22-2012, 08:05 PM
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Join Date: Dec 2009
Posts: 163
Help me build a 7saum please

My staring rifle is a model 70 Pro Stalker in 7wsm. I would like to shoot 140-160 grain bullets and i will primarily use it to deer hunt
I want to rebarrel it in 7saum.
What barrel, twist, and conture?
Action/bolt work needed?
Stock recommendations? I prefer composite.
Any advise on reloading components and process/loads are appreciated.

Thanks!
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  •   #2  
    Unread 10-22-2012, 08:12 PM
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    Join Date: Jul 2004
    Location: OHIO
    Posts: 2,417
    Re: Help me build a 7saum please

    Quote:
    Originally Posted by nctta View Post
    My staring rifle is a model 70 Pro Stalker in 7wsm. I would like to shoot 140-160 grain bullets and i will primarily use it to deer hunt
    I want to rebarrel it in 7saum.
    What barrel, twist, and conture?
    Action/bolt work needed?
    Stock recommendations? I prefer composite.
    Any advise on reloading components and process/loads are appreciated.

    Thanks!
    It's your business but I don't get going from a WSM to the SAUM simply due to potential future brass extinction.

    If you want a button barrel, I say HART. Cut rifle, Krieger. I'd go #4.5 contour 27" long with a 9 twist

    Your action should be trued of course

    McMillan stock

    the last question requires some more thought.
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    Derek M.
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      #3  
    Unread 10-22-2012, 08:15 PM
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    Re: Help me build a 7saum please

    I like the most expensive brass first. Lapua, Norma, Nosler. I do NOT like Remington brass. I prefer Winchester and Federal of the most abundant names.

    Of the bonded bullets I prefer Swift Scirocco and Accubond.

    I think you should look at Barnes' new LRX bullets as well as their TTSX. For high BC bullets, Berger and Hornady AMax, and JLK.

    I only use Federal match primers.

    Lots of great powders to choose from.
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    Derek M.
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      #4  
    Unread 10-22-2012, 11:39 PM
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    Join Date: Apr 2009
    Location: Eastern Colorado
    Posts: 608
    Re: Help me build a 7saum please

    I turned my Browning into a 7 saum. So far, so good. It can hold 5 inches at 500 yards in no wind, when i do my part.

    It wears a #4 Douglas conture, 26 inch stainless by McGowan. Not the most popular barrel maker but a good barrel for hunting at a fair price.

    Any 8 1/2 to 9 twist will stabilize the 160 through 180 grain bullets.
    My favorite powders are Hunter, Varget, H 4831, and Magpro with CCI, Winchester, or Federal primers. When building elk loads, i choose mag primers because I try to hunt in snow and sometimes frozen temps.

    My accuracy load with 160 AB's is almost 3000 fps with Magpro.

    Hope this helps
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      #5  
    Unread 10-23-2012, 06:33 PM
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    Join Date: Jul 2011
    Posts: 55
    Re: Help me build a 7saum please

    I have a 7 SAUM and love it. It is just a rechambered cut down 7 mag barrel on a short action but it shoots well.

    Do you have brass already ? Brass is getting really hard to find for 7 SAUM.
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      #6  
    Unread 10-23-2012, 06:54 PM
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    Join Date: Dec 2009
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    Re: Help me build a 7saum please

    No brass yet. Can't I just neck down 300saum

    Last edited by nctta; 10-23-2012 at 06:56 PM. Reason: Add to post
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      #7  
    Unread 10-23-2012, 07:58 PM
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    Join Date: Jul 2011
    Posts: 55
    Re: Help me build a 7saum please

    Quote:
    Originally Posted by nctta View Post
    No brass yet. Can't I just neck down 300saum
    Yeah that is an option , you will have about .020 shorter neck though.
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