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Thread: Odd marks on 223 neck

  1. #1

    Odd marks on 223 neck

    I was at the range the other day and picked up my brass but must've picked up one of someone else's, can anyone tell me why this has the strange marks round the neck? It's also fractionally longer than a standard 223 cartridge but otherwise is exactly the same.

    regards,
    Gixer

  2. #2
    They look like segmented crimp marks. Some factory ammo comes that way, usually FMJ with cannelure

  3. #3

  4. #4
    Ah, wondered as they are distinct in about 6 places but castellated for some reason...would this be the reason the case is longer than a standard case? Or have they just not trimmed it?

  5. #5
    Not sure, I suppose it depends on whether they are reloads or once fired. Could just be untrimmed reloads where someone has used a segmented crimp die, or once fired factory crimped ammo which was just made long for some reason, maybe to reach the cannelure on the bullet whilst maintaining desired OAL?...

  6. #6

  7. #7
    Factory crimping.
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  8. #8
    Distinguished Member Ronin's Avatar
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    Factory crimp marks

  9. #9
    so is this just a particular type of crimp or what designates if a type of round has been crimped? I always thought most factory rounds were crimped?

    Regards,

    Gixer

  10. #10
    What's the headstamp on the crimped case ?
    Sako TRG-42 folder .338LM🔫 Sako TRG-22 .308/.260🔫 Tikka 595 .222(NV'd up) 🔫 AR15 .223/300BLK 🔫Franchi 12g 520 9shot🔫Baikal .410 stealth🔫Ruger #1.243

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