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Old 09-21-2011, 18:34   #1
kueblerkt
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.223 Military Crimp

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!!
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Old 09-21-2011, 18:47   #2
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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 by JBnTX; 09-21-2011 at 18:52..
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Old 09-21-2011, 18:50   #3
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Normally there is a light ring impression around the primer.
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Old 09-21-2011, 19:39   #4
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Crimped:

Reloading
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Old 09-21-2011, 20:51   #5
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Quote:
Originally Posted by JBnTX View Post
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.


.
Most if not all Federal .223 and PMC .223 will be crimped. Civvy stuff, not military.
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Old 09-21-2011, 22:38   #6
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Quote:
Originally Posted by JBnTX View Post
Look closely at the primer and sometimes you can see the crimp,
sometimes you can't.

.
Never had an invisible primer crimp.

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Old 09-21-2011, 23:16   #7
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Originally Posted by Zombie Steve View Post
Never had an invisible primer crimp.

Neither have I, must be my Ray Charles shades preventing me from seeing the invisible crimp









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Old 09-21-2011, 23:19   #8
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Reloading



I'm going to hell in Titegroup underpants.

Last edited by Zombie Steve; 09-21-2011 at 23:19..
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Old 09-22-2011, 01:37   #9
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You know they gonna be loadin' NT SPP brass on Loadmasters down there!
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Old 09-22-2011, 07:15   #10
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Im a changin' my wicked ways now, Mullah.
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Old 09-22-2011, 09:25   #11
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You know they gonna be loadin' NT SPP brass on Loadmasters down there!
Well, tryin' to anyway.
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Old 09-22-2011, 09:35   #12
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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.
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Old 09-22-2011, 10:57   #13
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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.


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Old 09-22-2011, 11:29   #14
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Anyone but me notice how Lucid Jack has been lately?
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Old 09-22-2011, 11:49   #15
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You won't see that with ObamaCareョ.
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Old 09-22-2011, 11:51   #16
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Old 09-22-2011, 13:35   #17
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Does the ringed crimp cause issues with reloading?
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Old 09-22-2011, 15:36   #18
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Quote:
Originally Posted by Agent6-3/8 View Post
Does the ringed crimp cause issues with reloading?
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..
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Old 09-22-2011, 19:38   #19
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Quote:
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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..
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.
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Old 09-22-2011, 20:20   #20
El_Ron1
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Good:

Reloading

or:

Reloading

Better:

Reloading

Best:

Reloading


More pics of crimps:


Reloading
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Last edited by El_Ron1; 09-22-2011 at 20:21..
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Old 09-22-2011, 20:24   #21
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Several tools are available. Dillon's Super Swage is probably the easiest manual tool to use. RCBS makes another swage tool as does CH4D.

The alternative to swaging is reaming. Hornady makes a great unit, and several other companies make similar tools. Wilson and Forester make adapters for their trimmers that will ream pockets.

I didn't mention the difference between the two. Swaging is the process of pushing/forcing the brass back to it's original position (or enough of it to open the pocket up). Reaming is actually removing the brass that blocks the pocket.

Last edited by PCJim; 09-22-2011 at 20:26..
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Old 09-22-2011, 20:38   #22
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I use the Dillon's Super Swage. Fast and easy.
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Old 09-22-2011, 20:41   #23
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in for dillon
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