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Reloading Berger Bullets

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Please help - bullet runout

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  #1  
Unread 11-01-2009, 02:05 PM
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Join Date: Nov 2009
Location: denmark
Posts: 16
Please help - bullet runout

I think that i already have found my problem, but not shure how to solve it.

I use Redding Comp dies - neckseizer with bushings - no expander.

In my 6.5 x 55 it is perfect - no problems

But in my 308 i get a bullet runout about .005" - the fired case is fine, but after neckseizing, it in no good

I think the problem is, that i have to set the neck back .008"

Here goes the question (finally) - if i set the neck back in 2 x .004 - will that give me a perfect result - or is it just half a solusion ?

If it is no - good, how can i get my .001" runout, with that kind of set-back ?

Thank you for helping !

Regards

Anders Bruun
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  •   #2  
    Unread 11-01-2009, 08:23 PM
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    Join Date: Mar 2006
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    Re: Please help - bullet runout

    Your Idea is good. It often helps to decrease runout by sizing in steps when you have a large amount of diameter to resize.
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      #3  
    Unread 11-02-2009, 01:31 AM
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    Join Date: Mar 2007
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    Re: Please help - bullet runout

    By how much are you reducing the case neck's diameter.
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      #4  
    Unread 11-02-2009, 01:42 AM
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    Join Date: Nov 2009
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    Re: Please help - bullet runout

    I reduce the neck by .008 - .009, it seems like a lot, but relly it is normal for a standard SAAMI chamber.

    Thanks

    Anders Bruun
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      #5  
    Unread 11-02-2009, 06:14 PM
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    Re: Please help - bullet runout

    Try reducing the neck diameter in two steps. Taking more than 0.005" at once is known to cause run-out.
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      #6  
    Unread 11-02-2009, 09:29 PM
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    Join Date: Oct 2007
    Location: Mountians of SW NC, near Asheville
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    Re: Please help - bullet runout

    Try a Lee Collet Neck Sizer.
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      #7  
    Unread 11-02-2009, 10:06 PM
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    Join Date: May 2008
    Location: South of Canada and North of Wyoming
    Posts: 6,068
    Re: Please help - bullet runout

    Try a Redding Competiton Type S FL bushing die?
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