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Posted: 8/17/2009 2:55:46 PM EDT
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I recently bought a 16" 1/9 twist barrel at a gun show for $15. The reason why it was so cheap was that when the barrel was coated the bore wasn't plugged so the bore got coated also. I bought it planning on building a dedicated rimfire so I wasn't too worried about it. Turns out the coating is causing all kinds of accuracy issues. The best group I was able to get was about 18" at 50 yards. I have a 1/8 twist barrel that is decent enough to practice drills with but the barrel I bought will not even work for that. I don't expect match accuracy but decent enought to be able to run drills with.
I have already tried lapping with Flitz, scrubbing with a bronze brush, chucking a bronze brush in a drill and running it back and forth through the bore as well as running steel wool through the bore. I have tried oven cleaner and aluminum black which is a mild acid. None of this has put a dent in the ceramic coating. Question is, is there anything I can use to remove the ceramic coating from the bore? The dealer was selling the crap out of these at $15 and now I wonder if it was even worth that. Thanks Dolomite |
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