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Joined: Jun 2016
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[Linked Image] Finally got then cleaned resized, deprimed and primer hole enlarged

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Primer hole enlarged?

Last edited by 1bamashooter; 01/03/23 09:24 PM.

Keep your booger hooker off the bang switch.
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Originally Posted by birdcarver
[Linked Image] Finally got then cleaned resized, deprimed and primer hole enlarged


You do all of that today? If so, very impressive.


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Wow that's a lot of brass. Amazing what people leave behind sometimes.


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No this took couple weeks

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Originally Posted by 1bamashooter
Primer hole enlarged?


Yes. Elaborate please


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Best way to describe is watch Primer Pocket Crimp Removal / Reaming And Swaging. On You Tube, And 90% of these had to be done this way,

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Freak of Nature
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Originally Posted by birdcarver
Best way to describe is watch Primer Pocket Crimp Removal / Reaming And Swaging. On You Tube, And 90% of these had to be done this way,

This would be called primer pocket uniforming.


Dying ain't much of a living boy...Josey Wales

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Originally Posted by birdcarver
Best way to describe is watch Primer Pocket Crimp Removal / Reaming And Swaging. On You Tube, And 90% of these had to be done this way,

That's not enlarging the primer hole though.


Keep your booger hooker off the bang switch.
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Lots of milspec 5.56 and 7.62 will have crimped in primers. Swaging or reaming removes this ring in the primer pocket and allows a new primer to be more easily seated. I've got the RCBS press mounted swager and while it works, it is a bit labor intensive. Best tool I've bought for prepping 223/556 was a drill mounted Little Crow trimmer. Saved me a ton of time versus the manual RCBS trimmer.

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Originally Posted by odocoileus
Lots of milspec 5.56 and 7.62 will have crimped in primers. Swaging or reaming removes this ring in the primer pocket and allows a new primer to be more easily seated. I've got the RCBS press mounted swager and while it works, it is a bit labor intensive. Best tool I've bought for prepping 223/556 was a drill mounted Little Crow trimmer. Saved me a ton of time versus the manual RCBS trimmer.

You don't do that to the primer hole you do that to the pocket hence the reason I wanted clarification enlarging primer holes can cause ignition issues and consistency issues and will ruin brass even though I know some guys that do enlarge them.


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There are some people who will use a special deburring tool to clean up the primer hole from the inside but I have never used one.

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Originally Posted by odocoileus
There are some people who will use a special deburring tool to clean up the primer hole from the inside but I have never used one.

It's not required on good brass like lapua alpha Peterson ADG ect they are drilled not punched like cheaper brass


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I'm glad yall got this straighten out, I'm just a [76] year kid trying to do the best I can , and for a little entertainment I post crap on here. will try to explain myself better from now on

Last edited by birdcarver; 01/04/23 02:34 PM.
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Mr Birdcarver folks were concerned you may have boogered up all that brass you worked so hard on. No mean intent.

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I think it’s cool that you have that much brass!
And they absolutely look great!!!

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WOOOEEEE!!

That's a bunch of brass and a bunch of work!

No wonder you were tired!



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Originally Posted by odocoileus
Lots of milspec 5.56 and 7.62 will have crimped in primers. Swaging or reaming removes this ring in the primer pocket and allows a new primer to be more easily seated. I've got the RCBS press mounted swager and while it works, it is a bit labor intensive. Best tool I've bought for prepping 223/556 was a drill mounted Little Crow trimmer. Saved me a ton of time versus the manual RCBS trimmer.


I got one for a 308 too. Those things are amazing.

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Freak of Nature
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I use a RCBS primer pocket reamer on my RCBS trim mate work station. Works great and much easier than swaging.


Dying ain't much of a living boy...Josey Wales

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Originally Posted by 1bamashooter
Originally Posted by odocoileus
Lots of milspec 5.56 and 7.62 will have crimped in primers. Swaging or reaming removes this ring in the primer pocket and allows a new primer to be more easily seated. I've got the RCBS press mounted swager and while it works, it is a bit labor intensive. Best tool I've bought for prepping 223/556 was a drill mounted Little Crow trimmer. Saved me a ton of time versus the manual RCBS trimmer.

You don't do that to the primer hole you do that to the pocket hence the reason I wanted clarification enlarging primer holes can cause ignition issues and consistency issues and will ruin brass even though I know some guys that do enlarge them.

I use lapua 220R brass to fireform my PPC. Everyone says to leave the flash holes alone, but i noticed that they varried a small bit. I used a 1/16 drill bit, which is .125 and the size of the largest flash hole to make them all uniform

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