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Help me build a 7saum please

 
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  #1  
Old 10-22-2012, 08:05 PM
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Join Date: Dec 2009
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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  
Old 10-22-2012, 08:12 PM
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Join Date: Jul 2004
Location: OHIO
Posts: 2,410
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  
Old 10-22-2012, 08:15 PM
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Posts: 2,410
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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  #4  
Old 10-22-2012, 11:39 PM
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Join Date: Apr 2009
Location: Eastern Wheat Field, CO
Posts: 515
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  
Old 10-23-2012, 06:33 PM
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Join Date: Jul 2011
Posts: 52
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  
Old 10-23-2012, 06:54 PM
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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  
Old 10-23-2012, 07:58 PM
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Join Date: Jul 2011
Posts: 52
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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