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.223 Military Crimp

Discussion in 'Reloading' started by kueblerkt, Sep 21, 2011.

  1. kueblerkt

    kueblerkt

    375
    1
    Jan 17, 2009
    'Merica
    Is there any way to tell if .223 brass has a military crimp just by looking at it? I don't have a crimp remover yet and would like to know before I accidentally start smashing primers. Thanks!!
     
  2. JBnTX

    JBnTX Texas

    19,751
    3,834
    Aug 28, 2008
    Texas
    5.56 ammo generally has the crimp, while .223 ammo does not.

    Military "surplus" and even foreign military ammo will have the crimp.
    It seems if it was intended for military use, it will have crimped primers

    Civilian .223 ammo most likely will not be crimped.

    Look closely at the primer and sometimes you can see the crimp,
    sometimes you can't.

    If it's foreign ammo, also watch out for Berdan primers.
    They'll do more damage than a crimped in Boxer primer.


    .
     

    Last edited: Sep 21, 2011

  3. Boxerglocker

    Boxerglocker Jacks #1 Fan

    6,147
    26
    Mar 6, 2003
    Lynnwood, WA
    Normally there is a light ring impression around the primer.
     
  4. Bultx1215

    Bultx1215

    244
    0
    May 23, 2008
    Bulverde Tx
    Most if not all Federal .223 and PMC .223 will be crimped. Civvy stuff, not military.
     
  5. Zombie Steve

    Zombie Steve Decap Pin Killa

    18,083
    18
    May 31, 2007
    Old Colorado City
    Never had an invisible primer crimp.

    :dunno:
     
  6. Boxerglocker

    Boxerglocker Jacks #1 Fan

    6,147
    26
    Mar 6, 2003
    Lynnwood, WA
    Neither have I, must be my Ray Charles shades preventing me from seeing the invisible crimp :cool:









    :rofl:
     
  7. Zombie Steve

    Zombie Steve Decap Pin Killa

    18,083
    18
    May 31, 2007
    Old Colorado City
    [​IMG]



    I'm going to hell in Titegroup underpants.
     
    Last edited: Sep 22, 2011
  8. El_Ron1

    El_Ron1 AAAAAAAAGHHH!!!

    63,128
    87
    Apr 15, 2004
    Redneck Sparta
    You know they gonna be loadin' NT SPP brass on Loadmasters down there!
     
  9. Zombie Steve

    Zombie Steve Decap Pin Killa

    18,083
    18
    May 31, 2007
    Old Colorado City
  10. El_Ron1

    El_Ron1 AAAAAAAAGHHH!!!

    63,128
    87
    Apr 15, 2004
    Redneck Sparta
    Well, tryin' to anyway.
     
  11. scattershot

    scattershot

    501
    37
    Nov 15, 2010
    Denver, CO
    Military brass will have crimped in primers, for use in automatic weapons. You can see the ring around the primer pocket.

    As a side note, some foreign ammo uses Berdan primers as well (two flash holes with a built-in anvil) that will ruin a decapping pin in short order, so be aware of that, too.
     
  12. GioaJack

    GioaJack Conifer Jack

    10,016
    1
    Apr 14, 2009
    Conifer, CO
    There are two main forms of crimping methods which are easily recognized. The first, and most commonly used is the 'ringed crimp', the primer pocket is surrounded by a 'ring' of crimped over metal that prevents the primer from backing out during recoil and rough handling commonly found in military combat. i.e. air dropping of supplies, ground transportation, etc.

    The second type of crimping method is the 'triangle dot' method. Three dots, forming a triangle surrounding the primer are crimped in toward the primer which in effect accomplishes the same thing as a ringed crimped system. This method is not as common as it once was .

    If I wasn't so lazy I'd pull out some pictures and post them... hey, I'm old, I ain't gonna do it.


    Jack
     
  13. Colorado4Wheel

    Colorado4Wheel

    14,937
    166
    Nov 2, 2006
    CO
    Anyone but me notice how Lucid Jack has been lately?
     
  14. El_Ron1

    El_Ron1 AAAAAAAAGHHH!!!

    63,128
    87
    Apr 15, 2004
    Redneck Sparta
  15. GioaJack

    GioaJack Conifer Jack

    10,016
    1
    Apr 14, 2009
    Conifer, CO
    Women are starting to have an adverse effect on me... I'm getting worried.


    Jack
     
  16. PCJim

    PCJim Senior Member

    2,950
    1
    Aug 4, 2008
    FL
    Yes - if not removed, you will be lucky to be able to seat a new primer. While it can sometimes be done, odds are that you will crush the new primer trying to do so.

    Once the crimp is removed, the brass can be reloaded just like non-crimped brass. BTW, the crimp only has to be removed one time, so mark your processed cases so you can avoid duplicating unnecessary work on your recovered brass. I use a sharpie line across mine..
     
  17. Ah, I see. What tool is best used to remove the crimp?


    Sorry for all the dumb questions, but I'm jsut getting into rifle reloading after years with pistols and shotguns.
     
  18. El_Ron1

    El_Ron1 AAAAAAAAGHHH!!!

    63,128
    87
    Apr 15, 2004
    Redneck Sparta
    Good:

    [​IMG]

    or:

    [​IMG]

    Better:

    [​IMG]

    Best:

    [​IMG]


    More pics of crimps:


    [​IMG]
     
    Last edited: Sep 22, 2011