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Cleaning brass - inside case still dirty??

 
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  #22  
Old 03-16-2011, 02:13 AM
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Re: Cleaning brass - inside case still dirty??

+1 on the stainless steel media.
Been using this method for a couple of months now.
Very impressive on my 45ACP brass, and most of my rifle brass.
Not quite as easy to clean 223 brass thou. Still does a great job on the 223, but once in a great while a piece of SS will be stuck in the primer pocket.

With this method, I don't see how you could get the brass any cleaner.
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  #23  
Old 06-01-2011, 10:40 PM
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Re: Cleaning brass - inside case still dirty??

I will have to agree with Mikecr and Kevin Thomas that the carbon fouled inside does not hurt a thing..Without anything to back it up, I have a hunch that the carbon layer inside the case has a positive affect on burn rate over the "shiny" reflective inside of a new case...Much like a new cast iron frying pan vs a "seasoned" one....My SDs and ES seem to be always lower in "seasoned" cases...I am not sure why though, it may or could be because of other reasons such as a better case to chamber fit....

My theory is only based on about a thousand rounds a year for the 10 or so years that I have had the chrony, even though I have been loading for over 40 years..It would be nice to know if anybody else has done a study or tests on this subject.

One thing I might add that I always mechanically clean the primer pocket and brush out the loose carbon inside the case. The interior neck is then worked over real well with the brush before final neck tension adjustment.

Randy
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  #24  
Old 06-06-2011, 04:10 PM
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Re: Cleaning brass - inside case still dirty??

Hey just wanted to thank you guys. Here is a discount code for $10.00 off orders over $50.00 Code...lhr10

www.stainlesstumblingmedia.com

Last edited by Skyking; 06-07-2011 at 11:55 AM.
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  #25  
Old 06-07-2011, 04:04 PM
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Re: Cleaning brass - inside case still dirty??

Another convert to the STM (stainless) method of cleaning. It is by far the best method I've come across.

I have tumbled 9mm, 45ACP, 5.56, 7.62, 300 Win Mag, 30-06 and 338 Lapua and out of well in excess of 3000 cases cleaned just in the last 30 days or so I have found pins stuck in the flash holes of exactly two cases - one 5.56 and today one 9mm. In the grand scheme of things this is a non-issue for me, and certainly is far better than corn/walnut media where the problem of media getting stuck in the flash holes was much more prevalent.
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  #26  
Old 07-02-2013, 03:31 PM
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Re: Cleaning brass - inside case still dirty??

Quote:
Originally Posted by cega View Post
Another convert to the STM (stainless) method of cleaning. It is by far the best method I've come across.

I have tumbled 9mm, 45ACP, 5.56, 7.62, 300 Win Mag, 30-06 and 338 Lapua and out of well in excess of 3000 cases cleaned just in the last 30 days or so I have found pins stuck in the flash holes of exactly two cases - one 5.56 and today one 9mm. In the grand scheme of things this is a non-issue for me, and certainly is far better than corn/walnut media where the problem of media getting stuck in the flash holes was much more prevalent.
I clean cases before removing the primers. The decapping pin removes any cleaning media in the flash hole. However, I've never used those SS pins. I doubt those pins would punch out well decapping a primer. More'n likely something would get damaged
I have an old A-R12 Thumler's Tumbler over 40 years old. Since I'm a bit on the frugal side, I can't see spending near $200 (Model B tumbler) plus another $50 for SS pins. Since the Model B is what they recommend using.
If I want my cases to look extra good, I mix citric acid powder with water & soak my cases in it for 15 minutes or so.
Citric acid does not etch copper or brass. It's considered passive. It's also very inexpensive. I've also read it makes brass more resistant to oxidizing, but I never had a problem with brass oxidizing before anyway.
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  #27  
Old 07-02-2013, 06:47 PM
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Re: Cleaning brass - inside case still dirty??

Ultrasonic:
UltraSonic Case Cleaning within AccurateShooter.com

Stainless:
Brass Cleaning with Stainless Media within AccurateShooter.com

Good luck!
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  #28  
Old 07-03-2013, 06:44 PM
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Re: Cleaning brass - inside case still dirty??

I didn't and haven't read all the replies to the original question, and maybe someone has already brought up this solution. If not, one of the best cleaning systems I have really ever seen is Stainless Steel Media. I started using this system about a year ago, utilizing Thumler's Tumbler, a teaspoon of dawn, and a 1/2 teaspoon of Lemi Shine. It cleans everything, outside, inside, primer pockets, all looking better than new factory brass.

This past spring I found a bunch of PPU 5.56 brass that had been under the ice, snow, dirt, and mud for who knows how long, and looking at it I knew that it would be the true test for the SSM to be able to clean it up. I brought it home threw it into the tumbler for about 4 hours, and here's a couple of pics to show before and after results .















I did take a couple of minutes to finally look thru some of the replies, and see now that the SSM was covered pretty thoroughly. Anyway, hope the pics might have given a better idea of the effectiveness of the system...

Thank,

DD

Last edited by DesertDog; 07-03-2013 at 06:53 PM. Reason: A P.S.
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