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Thread: Belted Magnums

  1. #1
    stewart33
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    Belted Magnums


    I have been shoppin' for go no go gauges for 7mm rm. midway has them as belted mags with 300wm, 338wm....etc. Are all these cals really headspaced the same?

  2. #2
    Basic Member memilanuk's Avatar
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    Dec 2006
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    Re: Belted Magnums

    Yes, because those particular cartridges headspace off the belt, not the shoulder, at least officially. If you look at the actual gauges, they are short little stubs because of this.

  3. #3
    stangfish
    Guest

    Re: Belted Magnums

    Quote Originally Posted by memilanuk
    Yes, because those particular cartridges headspace off the belt, not the shoulder, at least officially.
    Pay very close attention to this part of his statement with respect to setting up your dies.

  4. #4
    Basic Member barrel-nut's Avatar
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    Dec 2010
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    Re: Belted Magnums

    This is an excellent article on this topic:
    http://www.shootingtimes.com/2011/01...sebull_201007/

  5. #5
    stewart33
    Guest

    Re: Belted Magnums

    Thanx for the link BN . Interesting article, seems like quite a bit of extra case work. With the price of brass maybe it's worth it, not to mention the improved accuracy. I don't like muzzle brakes so I don't shoot my large caliber mags as much as I'd like. Just enough to stay proficient.

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