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deprime before or after tumbling? #6500752 10/18/16 04:31 PM
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Matt Hejl Offline OP
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Would your depriming die get nasty if you dont tumble first? It seems like pushing out the primer and resizing the case when its dirty would attract alot of dirt on the resizer and depriming pin.

Would like to hear some suggestions either way.

thanks

Re: deprime before or after tumbling? [Re: Matt Hejl] #6500780 10/18/16 04:51 PM
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De-prime -> SS tumble -> Resize

I like to de-prime with a Frankford Arsenal hand de-primer.


Re: deprime before or after tumbling? [Re: Matt Hejl] #6500787 10/18/16 04:54 PM
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I do it both ways. If the brass is fairly clean I'll deprime and use steel wool to clean the brass as a step in the prep. If its real dirty I tumble. You can take the pin out and whipe it off occasionally if you want.


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Re: deprime before or after tumbling? [Re: Matt Hejl] #6500792 10/18/16 04:57 PM
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Usually, with pistol cases, I tumble them clean and then deprime. It keeps the tumbling media out of the flash holes. I don't often clean rifle cases.


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Re: deprime before or after tumbling? [Re: 603Country] #6500797 10/18/16 05:01 PM
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Originally Posted By: 603Country
Usually, with pistol cases, I tumble them clean and then deprime. It keeps the tumbling media out of the flash holes. I don't often clean rifle cases.


Good point. I just assumed that the OP was asking about rifle brass.


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Re: deprime before or after tumbling? [Re: Matt Hejl] #6500803 10/18/16 05:07 PM
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Running the case through a decapping die only is fine before tumbling. It helps clean out the primer pocket a little during tumbling. But if you FL size a dirty case, it will permanently scratch the dies and each case sized after that will be scratched. If you decap first, then tumble, media can a nd will get stuck in the flash hole, so make sure you check it or clean it out before priming.


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Re: deprime before or after tumbling? [Re: Matt Hejl] #6500853 10/18/16 05:34 PM
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I have a universal depcapping die. I have used it on 223, 45 colt, 300 wby, 45-70 and lots of stuff in between. It helps to clean the primer pockets if you decap before tumbling but doesn't get them that clean. Clean enough for me though.


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Re: deprime before or after tumbling? [Re: Matt Hejl] #6501033 10/18/16 07:16 PM
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for rifle cases heres my basic steps:

media tumble
media separator
sort cases (usually tumble all sorts of cases at once)
lube cases
size/decap
measure
trim
measure
deburr primer pockets
chamfer
measure
prime
powder
bullet
measure
crimp (if needed)
shoot

I usually do a bunch of brass prep at once and then keep a bunch of primed cases ready for powder and bullets


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Re: deprime before or after tumbling? [Re: ChadTRG42] #6501100 10/18/16 07:58 PM
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Originally Posted By: ChadTRG42
Running the case through a decapping die only is fine before tumbling. It helps clean out the primer pocket a little during tumbling. But if you FL size a dirty case, it will permanently scratch the dies and each case sized after that will be scratched. If you decap first, then tumble, media can a nd will get stuck in the flash hole, so make sure you check it or clean it out before priming.


YEP.

I tumble, then use the decapping die, then clean the pockets with a pocket brush, then wipe them off & resize.

It takes a bit longer but I'm not looking for speed when I'm reloading metallic rounds.


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Re: deprime before or after tumbling? [Re: RedSnake] #6501101 10/18/16 07:59 PM
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Originally Posted By: RedSnake
De-prime -> SS tumble -> Resize

I like to de-prime with a Frankford Arsenal hand de-primer.





Never knew that thing existed. I gotta get me one of those ..... woot


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Re: deprime before or after tumbling? [Re: Matt Hejl] #6501119 10/18/16 08:19 PM
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They don't get very dirty. And they take about five seconds to clean. For me a universal de-priming die is the way to go over that Frankford Arsenal hand de-primer. The die is cheaper, smaller and there is no switching collets. The hand de-primer may be faster than my press mounted die but I'm not racing and doing it on the press is not slow.


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Re: deprime before or after tumbling? [Re: Mickey Moose] #6501268 10/18/16 09:39 PM
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Yeah, I just read a few reviews on it. I'll probably spend that $35 on more bullets or something that I really need. The decapping die works fine as it is.


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Re: deprime before or after tumbling? [Re: Matt Hejl] #6502286 10/19/16 03:05 PM
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I'm with several folks above. I deprime after tumbling to keep media out of the flash hole. I have never cleaned a primer pocket and am not aware of it ever being a problem.

Re: deprime before or after tumbling? [Re: Matt Hejl] #6502788 10/19/16 08:58 PM
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Cleaning primer pockets isn't always necessary. But I'm a bit (well ... a lot) picky about my reloads. blush


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Re: deprime before or after tumbling? [Re: redchevy] #6502872 10/19/16 09:57 PM
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Originally Posted By: redchevy
I have a universal depcapping die. I have used it on 223, 45 colt, 300 wby, 45-70 and lots of stuff in between. It helps to clean the primer pockets if you decap before tumbling but doesn't get them that clean. Clean enough for me though.
this


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Re: deprime before or after tumbling? [Re: Matt Hejl] #6503205 10/20/16 12:58 AM
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Originally Posted By: Matt Hejl
Would your depriming die get nasty if you dont tumble first? It seems like pushing out the primer and resizing the case when its dirty would attract alot of dirt on the resizer and depriming pin.

Would like to hear some suggestions either way.

thanks


My process is to tumble the cases with the spent primer in place. I do not use the stainless tumbling medium, and I would think that it is cleaner than the corn cob/ walnut shells medium, so possibly it would be OK to deprime before tumbling. Regardless of the medium used, there has to be some level of debris created with the tumbling process, and some part of that debris will wind up in the cartridge case. I think that blowing or brushing out each case before reloading would remove most of this debris, and for most of us folks that shoot at modest ranges below 300 yards, a bit of debris in the reloaded case is probably not a major factor from an accuracy and consistency standpoint. The truly long range shooters, I'm sure, strive to remove as many variables in the reloading equation as they possibly can, so an immaculate case is well worth the additional effort.

Re: deprime before or after tumbling? [Re: Creedmoor] #6503270 10/20/16 01:33 AM
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Originally Posted By: Creedmoor
Originally Posted By: ChadTRG42
Running the case through a decapping die only is fine before tumbling. It helps clean out the primer pocket a little during tumbling. But if you FL size a dirty case, it will permanently scratch the dies and each case sized after that will be scratched. If you decap first, then tumble, media can a nd will get stuck in the flash hole, so make sure you check it or clean it out before priming.


YEP.

I tumble, then use the decapping die, then clean the pockets with a pocket brush, then wipe them off & resize.

It takes a bit longer but I'm not looking for speed when I'm reloading metallic rounds.


This is my procedure.


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Re: deprime before or after tumbling? [Re: Creedmoor] #6503554 10/20/16 09:41 AM
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Originally Posted By: Creedmoor
Originally Posted By: RedSnake
De-prime -> SS tumble -> Resize

I like to de-prime with a Frankford Arsenal hand de-primer.





Never knew that thing existed. I gotta get me one of those ..... woot


Same here, reminds me of one of the innoculator tools they use on the Sci Fi movie.


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it is the illusion of knowledge.--Stephen Hawking
Re: deprime before or after tumbling? [Re: blackcoal] #6503615 10/20/16 12:01 PM
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Originally Posted By: blackcoal


Same here, reminds me of one of the innoculator tools they use on the Sci Fi movie.


roflmao up


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Re: deprime before or after tumbling? [Re: Creedmoor] #6503684 10/20/16 12:54 PM
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Walnut shell or corncob media; brass goes in, with spent primers still in the pockets. FL size, brush out the primer pocket (my brush is in the chuck of a drill press)

Stainless media tumble; universal decapper, to remove the spent primers, then into the vessel they all go.

With both types of media, once they're done tumbling I use an RCBS media separator.


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Re: deprime before or after tumbling? [Re: Matt Hejl] #6542158 11/14/16 02:18 AM
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Always deprime then tumble is my formula. Cleans the primer pocket.


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