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Gap 6.5 s case capacity

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  #1  
Unread 03-06-2014, 11:54 PM
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Gap 6.5 s case capacity

Does anyone out there know what the specs and case capacity of the 6.5 SAUM 4S is .......thanks/Rich
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  •   #2  
    Unread 03-07-2014, 12:02 PM
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    Re: Gap 6.5 s case capacity

    Rich,

    This is the best I could come up with on short notice.
    Gunny Sergeant
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    Originally Posted by PowerstrokeOBX
    What's the case fill % with H1000 or Retumbo?



    90-95% with H1000, 95-100% with Retumbo. thats giving the load of 61 grains of H1000 and 63 grains of Retumbo on a 140 class bullet

    63 grains of H1000 and the 130 Berger is about spot on 100% case fill under bullet


    New GAP Extreme Hunter in 6.5 SAUM - Page 6


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      #3  
    Unread 03-07-2014, 12:52 PM
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    Re: Gap 6.5 s case capacity

    I believe I figured 70.2 grains of water on mine
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      #4  
    Unread 03-07-2014, 09:55 PM
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    Re: Gap 6.5 s case capacity

    Quote:
    Originally Posted by CPGfan View Post
    I believe I figured 70.2 grains of water on mine
    Thanks guys! Do you know what the case dimensions are? Was there any change from the saum or is it just necked down? The capacity for my SS is very similar with RP brass and holds 71.5 With Norma, but my case is considerably shorter than a normal saum so it will fit in a std. mag......Rich
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      #5  
    Unread 03-07-2014, 09:58 PM
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    Re: Gap 6.5 s case capacity

    I am fairly sure it is just a straight 6.5 saum.
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      #6  
    Unread 03-07-2014, 10:03 PM
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    Re: Gap 6.5 s case capacity

    Quote:
    Originally Posted by barnesuser28 View Post
    I am fairly sure it is just a straight 6.5 saum.
    Hey Riley, I thought you mighthave croaked! Haven't heard much from you for a while.
    Ya, I think it may be a straight 6.5 SAUM with a different throat spec than a std, but not sure?
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      #7  
    Unread 03-07-2014, 10:09 PM
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    Re: Gap 6.5 s case capacity

    Rich,
    I just remeasured it. It's 72.8. Just a 7 SAUM necked down .081" freebore. That's Norma brass. 300 SAUM and once fired
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