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Old March 29, 2013, 09:31 AM   #1
Audioruss
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To tumble or not to tumble?

Doing some case prep on .270 WSM brass. They are clean except some carbon fouling on the outside of the neck. What is the best way to clean. Should I tumble the brass? A friend uses steel wool to clean but I worry about steel fibers left in/on the case or getting inside the neck. How about ISSO cleaner.

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Old March 29, 2013, 09:42 AM   #2
Nathan
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I would tumble for ~30 min.

Tumble, FL size and tumble again.
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Old March 29, 2013, 10:11 AM   #3
Brian Pfleuger
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Carbon fouling on the neck is some of the hardest to remove. I have quite a few cases that come out with almost mirror finishes everywhere else but still have carbon on the necks. A Scotch-Brite pad removes it but I don't like the way it makes the cases look.
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Old March 29, 2013, 10:18 AM   #4
chewie146
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There's a guy on here, and I forget the post, that bought some of that new steel tumbling media. It was amazing how that works. I'll see if I can locate the post.
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Old March 29, 2013, 10:24 AM   #5
ScottRiqui
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I think you're probably talking about my "nasty brass" thread. The magic starts at post #19. There are photos from intermediate steps in there, but the final results are in posts #29 and #30.

I don't know that I'll ever get cruddier brass than that to play with, and it came out beautiful.
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Old March 29, 2013, 11:40 AM   #6
m&p45acp10+1
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I wipe my cases with a clean lightly dampened cloth, then woth a dry clean cloth before lubing. I tumble them after sizeing them. To remove the case lube.
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Old March 29, 2013, 05:50 PM   #7
hooligan1
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Quote: Carbon fouling on the neck is some of the hardest to remove.
Not really, if you need to remove, wet a shoptowel with mineral spirits and wipe away.
Any time you use an abrasive to the neck of brass it's counterproductive. Unless.... your turning down these necks to improve runout.
I never have to do either.
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Old March 29, 2013, 06:01 PM   #8
JimDandy
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I have to admit the whole Thumler Tumbler + Steel Pin media is by far the best cleaning situation I've ever had. The walnut media left micro dust on the cases, and little shards in flashholes. It also took longer.
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Old March 29, 2013, 07:57 PM   #9
BusterValentine
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I don't use a tumbler, I put all my cases in a plastic container full of white vinegar for about 30 min with regular shaking, rinse thoroughly with water and either set them out to dry or pop them in the oven at the lowest temp for 30-40 min. It takes longer than a tumbler but removes all fouling. This is for pistol brass though. Still could be worth a shot?
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Old March 29, 2013, 08:00 PM   #10
Grizz12
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Quote:
I don't use a tumbler, I put all my cases in a plastic container full of white vinegar for about 30 min with regular shaking, rinse thoroughly with water and either set them out to dry or pop them in the oven at the lowest temp for 30-40 min. It takes longer than a tumbler but removes all fouling. This is for pistol brass though. Still could be worth a shot?
That sounds interesting, do you re-use the vinegar?
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Old March 29, 2013, 08:08 PM   #11
BusterValentine
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Quote:
That sounds interesting, do you re-use the vinegar?
No, not usually. If I poured way too much into the container I might re-use it but with the proper amount of vinegar it seems to loose it's oomph after one wash.

BTW, "proper amount" is just enough to completely submerge the cases in the container.

Also, the cases don't come out super shiny like they do with a tumbler, but they're pretty shiny. More importantly, they're clean and free of dirt, powder and fouling.
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Old March 30, 2013, 06:42 AM   #12
m&p45acp10+1
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I only tumble super dirty barrel brass. Though my tumbler finaly gave out. It was one of the HF models I got at a garage sale for five or ten dollars. It worked for over 4 years till it stripped all of the threads on the post that holds the bowl down. I will buy a reloading tumbler this time.

I use a sonic cleaner for a lot due to allergies. Though I use the tumbler to remove case lube as was stated before.
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