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Reloading Berger Bullets


Bullet tumbling

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Unread 08-06-2010, 09:23 AM
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Join Date: Sep 2008
Location: Republic of NJ
Posts: 959
Re: Bullet tumbling

I usually prefer to wipe my brass down and resize/deprime before I tumble them. When removing them from the media, you need to check the flash holes and remove any media that might be stuck there, Lyman makes a handy little flash-hole-cleaner for this purpose.

When I used to tumble with primers in, I would resize the brass and some of the media would get stuck on the expander ball and invariably be transferred to the outside of the case and create a good dent in the shoulder.

As for media, I prefer the green Lyman media, but I also add Flitz polishing liquid for tumblers also.
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Unread 08-06-2010, 01:09 PM
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Join Date: Aug 2003
Location: NC, oceanfront
Posts: 3,691
Re: Bullet tumbling

I deprime with a hand decapper, chase the pockets with a tool & clean the necks with CarbonKiller on a greenie pad. Then run the brass in a vibratory cleaner for ~hour, with Lyman EZ-pour media + ~a teaspoon of mineral spirits.

I do it soon as possible on return from the range(while carbon is easy to remove), and before any die will touch it. When I pull each case out, I pour out the media while rapping on the case head with the handle of a small screwdriver(to dislodge any in the flash holes).

After sizing is completed, I might ultrasonically clean or not, but follow with a polishing in the same media with a teaspoon of brass polish('Rooster Bright' or frankford arsenal). Several hours of this..
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