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Copper Buildup

Discussion in 'Gunsmithing and Repairs' started by Rob999, Jan 28, 2003.

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  1. Rob999

    Rob999 Member

    Joined:
    Jan 4, 2003
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    hi there. whats the most effective way to remove copper build up in the barrels? appreciate the groups experience with solvent brands. thanks.

    regards,
     
  2. romulus

    romulus Member

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    on a glacial structure
    I use Shooter's Choice Copper Remover...not every cleaning session, though, and I never let it sit in the barrel longer than 10 minutes.

    Every third or fourth session (I clean after each day at the range) then immediately clean with a less aggressive cleaner and lube (FP-10, BreakFree, etc...)
     
  3. DeBee

    DeBee Member

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    Jan 3, 2003
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    You can also use Sweets 7.62 Solvent for copper fouling.

    I recently picked up a Pre War Winchester 70 in .30-06 which looked as if it was never cleaned- there was a coppermine in the barrel...

    I plugged the chamber and dripped the solvent in the barrel, sloshed it around with an old .22 brush, and let it sit for the recommended max time...

    I swabbed it out and it looked like a blue ink pen exploded in the bore! I had to do this several times before it was clean. Then I had to attack the lead.

    Use a nylon brush when dealing with copper solvents.
     
  4. 762x51

    762x51 Member

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    I also use Sweets 7.62. Works like a charm. Make sure you are in a well ventilated area though as the fumes are quite strong.
     
  5. Kruzr

    Kruzr Member

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    I use Butch's Bore Shine for copper removal. It works great for removal of lead, powder and gets the barrel shiny clean. Its expensive so I only use it when I see the copper streaks. It won't hurt the barrel if you leave it too long like most copper solvents. I soak the barrels for 30 minutes and then brush and run patches.
     
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