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Hunting
Long Range Hunting & Shooting
really tough copper fouling
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<blockquote data-quote="BountyHunter" data-source="post: 8994" data-attributes="member: 12"><p>There are several techniques for stubborn copper. I use nylon bristle brushes (kleen bore or Montana Extreme) instead of brass. With brass and copper solvents you are going to get wash from the brush. Plus the solvent eats up your brush. If you do use a brass brush spray it off each time with brake cleaner to take the solvent off.</p><p></p><p>Butches and CR10 seem to work very well with a little work. However, if you have a rough factory bore, then a tight fitting wrap around patch and JB bore paste will take out the carbon ring in front of the chamber and smooth out some rough tool marks in bore.</p><p></p><p>some guys are having very good luck with Wipeout, a spray foam that you let set in the bore at least one hour to overnight.</p><p></p><p>BH</p></blockquote><p></p>
[QUOTE="BountyHunter, post: 8994, member: 12"] There are several techniques for stubborn copper. I use nylon bristle brushes (kleen bore or Montana Extreme) instead of brass. With brass and copper solvents you are going to get wash from the brush. Plus the solvent eats up your brush. If you do use a brass brush spray it off each time with brake cleaner to take the solvent off. Butches and CR10 seem to work very well with a little work. However, if you have a rough factory bore, then a tight fitting wrap around patch and JB bore paste will take out the carbon ring in front of the chamber and smooth out some rough tool marks in bore. some guys are having very good luck with Wipeout, a spray foam that you let set in the bore at least one hour to overnight. BH [/QUOTE]
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really tough copper fouling
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