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Old 01-13-2012, 10:49   #1
snatiep
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once fired brass.....case trimmer needed?

Hello Everyone!

I just picked up 1,000 once fired, unprocessed 9mm Speer brass.

I'm going to get the tumbler going this weekend to get them all cleaned up.

Should I go ahead and buy a case trimmer to be certain they are all the same length.

These rounds are just going to be (hopefully) inexpensive practice rounds for my G19 and G26.

Thank you very much!
Nate

Last edited by snatiep; 01-13-2012 at 10:50..
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Old 01-13-2012, 10:57   #2
Boxerglocker
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Case trimming pistol brass is not necessary regardless of the number of loadings.
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Old 01-13-2012, 11:02   #3
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Just check to see if the primers are crimped. If so, you will need the proper tool to swage the pockets. There is a LOT of 9mm with crimped pockets laying on the ground.

Richard
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Old 01-13-2012, 11:03   #4
rg1
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You don't need to trim 9MM cases. They will vary a little in length but it doesn't matter and the taper crimp die doesn't need exact length to give a good crimp. You don't need to trim cases like .45ACP, 40 SW, 9MM etc. that headspace on the case mouth and are taper crimped. I'd tumble the cases with the old primer left in to avoid media in the primer flash hole. It's a good idea to use the barrel from your G19 as a case gauge to make sure they chamber after you size the cases and after you seat the bullets.
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Old 01-13-2012, 11:30   #5
TN.Frank
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Normally case trimming is reserved for bottle neck ctgs, guess you could throw the 357 Sig and 7.62x25mm in that bunch and they are pistol ctgs. Still, I'd measure your cases with your dial calipers(you DO have a set of dial calipers, don't you?) and get an idea of OAL of the cases. I really don't think they'll need to be trimmed though.
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Old 01-13-2012, 16:39   #6
PCJim
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As stated, it is not necessary to trim straight walled pistol cases unless maybe you are pushing max 357 or 44mag rounds. Tumble the 9mm cases BEFORE resizing/depriming so that you don't get media stuck in the flash holes. The media won't clean the primer pockets anyway, (another step that isn't necessary with pistol cases).
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Old 01-13-2012, 16:44   #7
jdavionic
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Quote:
Originally Posted by F106 Fan View Post
Just check to see if the primers are crimped. If so, you will need the proper tool to swage the pockets. There is a LOT of 9mm with crimped pockets laying on the ground.

Richard
+1...and no case trimming needed for 9mm pistol brass.
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Last edited by jdavionic; 01-13-2012 at 16:45..
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Old 01-13-2012, 17:14   #8
snatiep
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Thank you all very much for your help and comments! Very much appreciated!

Nate
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Old 01-13-2012, 17:48   #9
fredj338
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I ahve never trimmed a service pistol case, never will either.
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