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Old 08-31-2019, 04:45 PM   #1
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Polishing Visible Chamber Area PP Barrel

The visible unfinished (in-the-white) chamber area of my 1967 PP barrel is lightly oxidized. There is no pitting per se, just some discoloration. I gently worked the area by hand with some Flitz metal polish on a patch though the results are less than satisfactory. Before I ramp up to a felt Dremel wheel and some compound, are there any recommendations for a better polish or method? Thanks.
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Old 08-31-2019, 06:16 PM   #2
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Some 400 wet/dry paper, on a block to keep things flat. Make sure you tape over the blued area just below the ejection port. I’d leave the Dremel tool in a drawer.
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Old 08-31-2019, 07:33 PM   #3
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What this thread needs is a before and after picture. Shooting it will blast that oxidation right off of there. 1917
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Old 08-31-2019, 08:09 PM   #4
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I would fight the urge to use a Dremel.

I use the non toxic flitz (packaged in a plastic bottle and has a eco friendly green friendly on the label. The original is packaged in a tube and has pronounced vapors.
The newer formula removes oxidation without abrasives.
To clean the barrel try using a small dia wood dowel and some cotton cloth apply by hand.
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Old 09-02-2019, 08:40 AM   #5
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If your pistol has a proof stamp on the frame that is visible through the ejection port (some do and some have it elsewhere), try to avoid sanding over it. It will lose its raised edges and virginal crispness.

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Old 09-02-2019, 09:39 AM   #6
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I agree with @XRing and @153. No Dremel, and 400 paper. I use it wetland gave gotten good results.
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Old 09-02-2019, 12:10 PM   #7
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I was thinking chamber, feed ramp area....you are talking about the frame loop over the chamber/barrel. Mike is right, stay off the stamped areas. Typically the top portion of the area is polished with something that leaves a bit of the grain of the emery paper showing. If you remove the slide this area is easily reached. A pack of fingernail emery boards that are about 3/4" wide do an excellent job. Just lightly roll the board across the top of the strap very lightly. Work here typically does not extend very far down either side of the strap. A light application will also remove scratches where someone has allowed the bottom nose of the breech rail to drag across the top of the boss by not holding the rear of the slide up while dismounting it. This is not something you would need to routinely do. Clean and oil afterwards. Very, very little material needs to be removed.

I think if you use very fine emery paper you will polish the metal and I don't remember seeing any that are polished. 1917



These kind of things. Buy the variety pack. Pink is very fine, then blue, then purple with black being the roughest. They are stiff enough to be used on 100s of jobs. 1917
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Last edited by 1917-1911M; 09-02-2019 at 12:22 PM.
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Old 09-02-2019, 04:48 PM   #8
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"...virginal crispness."


Delightfully descriptive!
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Old 09-17-2019, 11:30 AM   #9
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Thank you very much for the replies. I worked the area a second time with some Flitz metal polish on a small cotton patch. The end result is quite acceptable. Unfortunately, I do not have a before photo.

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Old 09-18-2019, 09:50 AM   #10
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Quote:
Originally Posted by 153 View Post
"...virginal crispness."


Delightfully descriptive!
I didn't even have to look back to know who wrote that...the one and only. 1917
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