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Rifles, Reloading, Optics, Equipment
Equipment Discussions
Copper fouling patterns
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<blockquote data-quote="Veteran" data-source="post: 2309982" data-attributes="member: 118038"><p>Sounds like it has never ever been cleaned for copper....Probably just cleaned w Hoppes #9 forever, and never with a copper cleaning agent.</p><p></p><p>Plug the muzzle end w soft earplugs and duc tape.</p><p></p><p>Pour Boretech CU 2+ into the barrel and fill it up. Let soak 15 or 20 min.</p><p></p><p>Clean out, and patch out. Your patches at first will be all blue.</p><p>That's dissolved copper.</p><p></p><p>When Patches are clean, and not blue, borescope again.</p><p></p><p>If there are layers of carbon as well as copper, you may need to alternate carbon cleaner and copper cleaner a few times before it borescopes perfect silver shiny steel color throughout.</p></blockquote><p></p>
[QUOTE="Veteran, post: 2309982, member: 118038"] Sounds like it has never ever been cleaned for copper....Probably just cleaned w Hoppes #9 forever, and never with a copper cleaning agent. Plug the muzzle end w soft earplugs and duc tape. Pour Boretech CU 2+ into the barrel and fill it up. Let soak 15 or 20 min. Clean out, and patch out. Your patches at first will be all blue. That's dissolved copper. When Patches are clean, and not blue, borescope again. If there are layers of carbon as well as copper, you may need to alternate carbon cleaner and copper cleaner a few times before it borescopes perfect silver shiny steel color throughout. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Copper fouling patterns
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