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Hunting
Long Range Hunting & Shooting
What's the best solvent to remove copper fouling??
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<blockquote data-quote="Bbear" data-source="post: 1441883" data-attributes="member: 7898"><p>Ammonia hydroxide - basically pure ammonia mixed with water. The alcohol stops the negative aspects (bore etching etc). Yes, the bronze brushes do show up with the blue signs of copper, that's why I scope it after cleaning.</p><p></p><p>I only do this treatment when a bore gets really coppered up and I want to start over. The last one I did this to was one of my 25-06's. I'd clean with a variety of aforementioned cleaning solutions then check it with the scope after each one. The ammonia hydroxide was the last one and took all of the copper out. </p><p>After a 'normal' cleaning it would take 4-6 rounds to bring it back into accuracy. After this thorough cleaning, it took 24.</p></blockquote><p></p>
[QUOTE="Bbear, post: 1441883, member: 7898"] Ammonia hydroxide - basically pure ammonia mixed with water. The alcohol stops the negative aspects (bore etching etc). Yes, the bronze brushes do show up with the blue signs of copper, that's why I scope it after cleaning. I only do this treatment when a bore gets really coppered up and I want to start over. The last one I did this to was one of my 25-06's. I'd clean with a variety of aforementioned cleaning solutions then check it with the scope after each one. The ammonia hydroxide was the last one and took all of the copper out. After a 'normal' cleaning it would take 4-6 rounds to bring it back into accuracy. After this thorough cleaning, it took 24. [/QUOTE]
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What's the best solvent to remove copper fouling??
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