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Fired cases come out COLD???

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  #1  
Unread 08-16-2014, 07:55 PM
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Join Date: Apr 2014
Location: Clovis, New Mexico USA
Posts: 120
Fired cases come out COLD???

Anybody else? I was shooting the STW today, and each of my cases came out COLD. Maybe tepid, but certainly not hot like most rifle cases.

Is that normal? I was firing 79+ grains of Retumbo behind a 160-grain bullet. It was really strange to eject a cartridge just seconds after firing the round, and being able to hold the thing in my hand with no discomfort whatsoever. Never noticed this before.
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  •   #2  
    Unread 08-16-2014, 08:06 PM
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    Join Date: Oct 2008
    Location: Alabama
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    Re: Fired cases come out COLD???

    Almost every rifle I shoot the cases can be handled immediately... I know this because I ALWAYS check every brass after firing when I'm doing load development and fire-forming. I like to know exactly what's going on.

    I don't know if that's common, but that's what happens with mine.
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      #3  
    Unread 08-16-2014, 08:57 PM
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    Join Date: Jan 2009
    Location: Frankfort, Kentucky
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    Re: Fired cases come out COLD???

    How fast were you shooting? I notice that the 7.62x39 brass comes out hot, but I think material, material thickness, and shot speed all play a factor.
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      #4  
    Unread 08-16-2014, 09:17 PM
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    Join Date: Apr 2014
    Location: Clovis, New Mexico USA
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    Re: Fired cases come out COLD???

    I don't shoot this rifle very fast, the barrel gets too hot real quick. Maybe one shot every 5 minutes or so.
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