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.223 Headspace problem?

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  #8  
Unread 07-22-2009, 11:12 AM
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Location: Casselberry, FL
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Re: .223 Headspace problem?

I'd try to find a more accurate way to take measurements ...

- Innovative
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  •   #9  
    Unread 07-22-2009, 05:50 PM
    KDB KDB is offline
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    Re: .223 Headspace problem?

    Larry...would there not be alot of case strech if there is that much headspace?

    Tlshoootst:

    The 223 is headspaced off the shoulder and can be checked with "go" and "no go" guages. You can make a dummy round (with no charge) and place a piece of scotch tape on the case head. Close the bolt. Add another piece of tape to the case head (now 2 pieces thick), and try to close the bolt. Do this process until you cannot close the bolt. This process works the same as a "no-go" and will give you an approximate indicator of your headspace clearance.

    Was the brass full length or body sized before loading...my thinking here is that the shoulder could have been bumped too far back causing the headspace issue.
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      #10  
    Unread 07-22-2009, 08:25 PM
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    Re: .223 Headspace problem?

    I agree . . . . excessive chamber clearance will always cause a case to stretch, and case stretching ALWAYS happens when the shoulder is pushed back too far. There are a jillion weird methods to avoid measuring things - none of them are accurate. Nothing beats taking a measurement properly to eliminate the guesswork.

    - Innovative
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      #11  
    Unread 07-22-2009, 11:35 PM
    KDB KDB is offline
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    Re: .223 Headspace problem?

    I also agree with you that a solid numerical measurement is better than a guessimate, but for the sake of agrument, if Tlshootst's cases show virtually no signs of streching and the primers are protruding from the case after ignition, how can it be a headspace issue?

    At this point my curiousity is peaked. Anyone else have any other conclusions?
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      #12  
    Unread 07-23-2009, 06:00 AM
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    Re: .223 Headspace problem?

    Think about this . . . . If it wasn't a headspace issue . . . . the primers wouldn't have any clearance to back into. This is definitely a headspace issue. When you measure your cases correctly it becomes obvious. There's no better way to see exactly what's happening than to compare YOUR handloads to one of YOUR fired cases.

    - Innovative
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      #13  
    Unread 07-23-2009, 07:21 AM
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    Re: .223 Headspace problem?

    I admit I don't have anything but a digital caliper to measure with. That is exactly what I don't understand why the primers push out? The case should stretch back to the boltface but they are not allowing room for the primer to push out. I think I will try a different brand of brass.
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      #14  
    Unread 07-23-2009, 08:25 AM
    KDB KDB is offline
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    Re: .223 Headspace problem?

    Well good luck. As a said earlier, try some lapua or norma, it is expensive but the quality is excellent. Let us know how it turns out for you.

    KDB
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