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Old August 24, 2011, 07:04 PM   #1
Kon-Man
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removing copper mark on Sig nitron coated slide

I recently noticed on the slide of my sig p229, what I think is a mark from an fmj fragment . It appeared after firing at an indoor range. The mark is just forward of the rear site. I've looked at it through a loop and it does not look like the nitron coating is damaged. The mark is driving me crazy and I want it gone but am worried about damaging the nitron finish. Does anyone have any suggestions or knowledge about what sig's nitron coating can stand up to? I was thinking of trying some break-free copper remover but I want to be sure it's safe first. Any help would be much appreciated.
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Old August 25, 2011, 02:38 PM   #2
john323
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Use a little Kroil and a tooth brush.
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Old August 25, 2011, 03:34 PM   #3
Bill DeShivs
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The copper remover should work fine.
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Old August 26, 2011, 08:49 PM   #4
Kon-Man
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Thank you both. Have either of you tried kroil or break free copper remover in this application? I'm just trying to get as much information as possible before I work on it. thanks.
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Old August 26, 2011, 09:06 PM   #5
Bill DeShivs
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Not in that exact application, but it will work.
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Old August 26, 2011, 09:29 PM   #6
Kon-Man
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and your confident it till not damage the nitron coating?
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Old August 26, 2011, 09:54 PM   #7
Bill DeShivs
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Well, it's made for cleaning guns.......
The Nitron is pretty tough stuff.
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