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Page AR-15 » Maintenance & Cleaning
AR Sponsor: bravocompany
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Posted: 7/27/2020 5:45:49 PM EDT
Never had a problem with a persistent rust spot in the bore before so unsure what I need to deal with it.

Thought it was stuck carbon fouling at first (this gun 100% supressed) but cant seem to get rid of it.  

Scrubbed at it for 30mins using CLP and qtips and then left it sitting overnight with Wipeout saturated in the bore...very little change.

Will a chamber brush fix this?    

Link Posted: 7/27/2020 6:22:42 PM EDT
[#1]
1000 wetordry 3M sandpaper
Link Posted: 7/27/2020 6:24:59 PM EDT
[#2]
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Quoted:
1000 wetordry 3M sandpaper
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I actually have some of this on hand - What do you use to get down into the bore with a small strip?

DO I need to follow any particular pattern or just rub at it?
Link Posted: 7/27/2020 6:35:39 PM EDT
[#3]
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Quoted:


I actually have some of this on hand - What do you use to get down into the bore with a small strip?

DO I need to follow any particular pattern or just rub at it?
View Quote

Use a hole punch to punch a hole in your sandpaper.  Ignore the hole and use the piece that got punched out.  Glue it to a pencil eraser or wood dowel.  Place over rust spot and lightly spin with fingers.
Link Posted: 7/27/2020 6:37:45 PM EDT
[#4]
Discussion ForumsJump to Quoted PostQuote History
Quoted:

Use a hole punch to punch a hole in your sandpaper.  Ignore the hole and use the piece that got punched out.  Glue it to a pencil eraser or wood dowel.  Place over rust spot and lightly spin with fingers.
View Quote


Thankyou for details.  Would a chamber brush essentially do the same thing If I did decided to get one for later use?
Page AR-15 » Maintenance & Cleaning
AR Sponsor: bravocompany
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