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Hang fire in .300 RUM

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  #1  
Unread 06-02-2010, 08:56 AM
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Join Date: Nov 2008
Location: Federal Way, WA
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Hang fire in .300 RUM

All,

I've been having a problem with my .300 RUM. About every twenty or so rounds I get a hang fire. I pull the trigger and I hear the pin fall and then it goes boom. At first I was thinking light primer strikes but I checked and there has been good strike on every primer.

I'm running CCI Mag primers with 87.5g RE-25 in Rem. factory brass with the 210 Berger. I'm not cutting the primer pocket at all but each case is washed and the pocket cleaned of all carbon with a q-tip before reloading. I'm seating the primes with my RCBS rockchucker press. I haven't noticed loose pockets and each primer has been seated firmly.

I've used the CCI Mag primers in my .270 for about ten years and have never had a problem.

Is anyone else having issues with this primer in the RUM?

-PJS
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  •   #2  
    Unread 06-02-2010, 04:55 PM
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    Join Date: Apr 2007
    Location: Fort Morgan, Colorado
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    Re: Hang fire in .300 RUM

    Are you sure you are letting the cases dry completely? It sounds like the brass may have a small amount of dampness in them causing hang fires.
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    Dennis
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      #3  
    Unread 06-02-2010, 05:03 PM
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    Join Date: Nov 2008
    Location: Federal Way, WA
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    Re: Hang fire in .300 RUM

    I thought about that too. This last batch I let air dry neck down on a paper towel for a day and then put them in the oven at 200 degrees (again neck down) for a half an hour and let them cool before I primed them.

    Maybe I need to have them in the oven longer?

    -PJS
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