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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Copper Fouling
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<blockquote data-quote="Varmint Hunter" data-source="post: 78631" data-attributes="member: 313"><p>I can't even imagine what happened to your nylon brushes in a single cleaning, mine last for years.</p><p></p><p>Barnes CR-10 is extremely effective on copper fouling but may be hard on barrel steel too. I would not exceed the recommended max time period to leave that stuff in the bore. Normally, to check for remaining copper fouling just run 2 wet patches down the bore and wait for 2 minutes. Then push a wet patch through and look for the classic blue/green residue. Never use bronze brushes with these aggresive cleaners.</p><p></p><p>When really stubborn fouling is present I have found it effective to switch between chemical cleaning (CR-10, BBS, Montana Extreme, etc) and mechanical cleaning (JB compound, USP Paste, etc) and then back again if copper is still present.</p><p></p><p>I have also found "Wipe Out" bore foam to work well and spares you the wear and tear of brushing. It is <strong>very</strong> effective when used with there "Accelerator".</p><p></p><p>Just my 2 cents - VH</p></blockquote><p></p>
[QUOTE="Varmint Hunter, post: 78631, member: 313"] I can't even imagine what happened to your nylon brushes in a single cleaning, mine last for years. Barnes CR-10 is extremely effective on copper fouling but may be hard on barrel steel too. I would not exceed the recommended max time period to leave that stuff in the bore. Normally, to check for remaining copper fouling just run 2 wet patches down the bore and wait for 2 minutes. Then push a wet patch through and look for the classic blue/green residue. Never use bronze brushes with these aggresive cleaners. When really stubborn fouling is present I have found it effective to switch between chemical cleaning (CR-10, BBS, Montana Extreme, etc) and mechanical cleaning (JB compound, USP Paste, etc) and then back again if copper is still present. I have also found "Wipe Out" bore foam to work well and spares you the wear and tear of brushing. It is [b]very[/b] effective when used with there "Accelerator". Just my 2 cents - VH [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Copper Fouling
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