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Reloading Berger Bullets


Tumbling loaded ammo?

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Unread 01-18-2012, 10:14 PM
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Location: pabst, wisconsin
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Tumbling loaded ammo?

Anyone ever do it? Can it be done?


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Unread 01-18-2012, 10:16 PM
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Join Date: Dec 2009
Location: LaPine Or.
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Re: Tumbling loaded ammo?

Originally Posted by grizlywinkleman View Post
anyone ever do it? Can it be done?



don't do it
"Its not Rocket Surgery.....'

"I have No idea why that cop made me ride in the back seat, when I Clearly called Shotgun!"
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Unread 01-18-2012, 10:32 PM
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Location: Idaho
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Re: Tumbling loaded ammo?

I wouldnt
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Unread 01-18-2012, 10:49 PM
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Join Date: Oct 2006
Posts: 870
Re: Tumbling loaded ammo?

I would suggest a rotary tumbler with the stainless steel pins(firing pins) and no water. It would be rest to run it on a timer and be long gone!

I honestly thought about it at one time. I think the best case scenerio would be that you probably do things to the powder that would dramatically change the way it performs. The burn rate of powder is partially determined by the coatings on the granuals. If you happened to break a significant number of the pellets there would be much more surface area as a whole and all the "new" surfaces would not have the coatings to slow thier ignition rates.

It seemed like a better idea to get a rag and a little rubbing compound and shine the cases back up. I hate the fact the loaded stuff tarnishes up..... guess we need to shoot them faster!
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Unread 01-18-2012, 11:09 PM
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Join Date: Jul 2004
Location: Texas
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Re: Tumbling loaded ammo?

As others have said "DONT DO IT"

If it needs to be cleaned use some steel wool and do them by hand.

The problem with tumbling loaded rounds is that it wears the powder down and produces a
fine dust that burns a lot faster than the original powder granules making the same ammo
very dangerous.(Higher pressure).

Shoot it like it is, and if it has corroded spots on it like lots of the old military ammo toss it
because it could fail and damage your chamber.

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Unread 01-19-2012, 12:11 AM
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Join Date: Jun 2006
Location: Memphis, TN. Soon to be Casper, WY.
Posts: 494
Re: Tumbling loaded ammo?

This is from an old thread on: Is it Ok to polish live ammo in a tumbler? - THR

So at least one (and I think most likely, all) manufacturer(s) polish loaded ammo.

September 19, 2005, 10:14 PM
I can attest that we too have been tumbling live ammo for about 30 years, without incedent. There has been an issue on a decapping machine once, before I was even born, and of course you can't avoid the occasional primer pop in an ammo load when you run millions of rounds a year. We tumble litterally millions of rounds a year, live, without incident.

You have to of course tumble them with the proper amout of product, walnut shell, corn cob or what have you. If not, you may end up with more tiny dents in larger cases (45-70) than you would like.

Remember that rounds like 9mm and such have a small volume inside the case the ISN'T filled with powder. Powder is SO light and HARD that I could not possibly see it breaking itself down with just a slight area to move in. I mean, you would probably have to shake a half full keg VERY hard for quite a while to develop a sufficient amount of wear on the powder to matter.

I suppose if I HAD to worry about something, it would be with a long grained powder. The would tend, based totally on physics to break more easily than a typical ball powder. Obviously if one grain struck another right in its center with its own tip, it would potentially have enough of a 'lever arm' to snap the other grain.

I would say, if you are tumbling slowly enough, with enough 'polising compound' you will be more than fine. No need to be turning ammo at 1800 RPM if you know what i mean! [/quote]
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Unread 01-19-2012, 12:21 AM
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Join Date: Dec 2011
Location: S.E. Michigan
Posts: 4,120
Re: Tumbling loaded ammo?

More 'dont's' than 'do's'....

I've been tunbling my loaded match .223's for years after loading to remove all traces of lube and make 'em pretty. before boxing in cartridge boxes.

Never been a problem.

I only tumble them (in treated cob) for about 15 minutes, dump the cob and box 'em.

At the range I always get comments on how good my loads look and they perform just like they look.

I don't believe I'd use a rotary (Thumblers Tumbler) just a vibrating bowl type.

I'm still here......
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