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Thinking about 7mm wsm built, have questions

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Unread 01-31-2011, 08:32 AM
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Join Date: Sep 2010
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Thinking about 7mm wsm built, have questions

Hi Fellas,
Been lurking for awhile, theres a wealth of info on this site. I am think about building a longrange/huntng/backcountry/occasional F class rifle. I like the idea of a 7mm wsm with a shorter barrel in the range of 20-22". Versatility is the key, but i want longrange target and hunting options. I will reload. Can the 7mm wsm still achieve its intented FPS velocity in a shorter 20-22" barrel or would i be wasting powder? If not what is the mnimum length? Thank for all your help

Dan
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    Unread 01-31-2011, 09:38 AM
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    Join Date: Jan 2007
    Location: Grafton, WI
    Posts: 601
    Re: Thinking about 7mm wsm built, have questions

    You can still get great performance with a 20-22" barrel. I have a 17.5" pistol chambered in 7wsm and puch a 168smk over 2850fps. I have heard you usually loose 30-60fps per inch, but with the right powder you can make up for it take a look in the handgun section on here and look at some of the long range capabilities if the shorter barrels. But be careful, you might end up needing one ...
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