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Thread: Barrel Cleaning

  1. #1
    SuckLead's Avatar
    SuckLead is offline Senior Member
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    Barrel Cleaning

    What is the best stuff to use to get the copper out of the barrel? Here's what I have tried so far:

    Otis
    Hoppes foaming bore cleaner
    Tetra gun
    Hoppes powder solvent
    Gun Scrubber
    Blue Wonder Cleaning gel

    And I use an Otis brush.

    But it still seems to be hanging in there. Any tips?

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    Shipwreck's Avatar
    Shipwreck is offline HGF Forum Moderator
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    Haven't tried it yet, but Hoppes has a stronger solvent made to get rid of copper. It specifically mentions it on the label...

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    milquetoast is offline Member
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    ammonia

    ammonia dissolves copper. I use Sweet's ammonia-based cleaner, and let it sit for a while, per the instructions on the bottle. I think a lot of people are in too much of a hurry to scrub. Be patient and let the chemicals to do the work.

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    Wandering Man's Avatar
    Wandering Man is offline GM HGF Gold Member
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    I've got a bottle of the Hoppes stuff sitting on my shelf in the closet. The label says you have to leave it overnight.

    I've done that and nothing's happened yet.



















    Maybe I should take the lid off the jar?

    WM
    Never argue with drunks or crazy people.

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    2400's Avatar
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    Quote Originally Posted by Wandering Man View Post
    I've got a bottle of the Hoppes stuff sitting on my shelf in the closet. The label says you have to leave it overnight.

    I've done that and nothing's happened yet.



















    Maybe I should take the lid off the jar?

    WM
    Get some elbow grease and use it too.

  6. #6
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    Sweets 7.62 solvent works well.

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    The best I've found (I normally just use Hoppe's No.9) for copper fouled barrels is a combination Kroil oil and J-B cleaning compound paste. Soak the barrel with the Kroil using a patch. I suppose any gun oil would do. Kroil seems to clean better. Then put the compound paste on a clean patch (follow the directions). The combination of the two rubbed together inside the barrel really produces a shine.

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    sniper350 is offline Junior Member
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    Be very careful of using any paste or compound inside your barrel which may contain some kind of fine abbrassive. Sure it will make your barrel "shine" and many times will "sand" away that pesky copper build up..........but beware, that damage may be done to your lands and grooves. You want these parts of your barrel to stay nice and sharp.......... and not smoothed over at the edges using an abbrassive compound. This will happen in time by the force of the bullets....so no need to speed the process up.

    Once you have gotten your barrel copper free.......try and keep it that way by using TW25B inside the barrel. This lubricant puts down a chemical barrier that inhibits the copper from bonding to the barrel's metal walls. Just a little will do the trick............so use it sparingly, and send a dry patch down the barrel as your last act of cleaning the barrel.

    Do a google on this stuff and you can read what the military thinks about TW25B.


    JF.

  9. #9
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    I use Butch's Bore Shine. It's ammonia based and does a very good job. I usually run a brush soaked in it down the bore first to break up any loose debris. Then soak with patch, wait, brush, and repeat if needed. I think it works better than Hoppes, but I never tried their stronger formula.

  10. #10
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    The Hoppes Copper Solvent (black label) does a decent job. I just soak the barrel with a patch and let it sit for 5 minutes or so. I then run an otis brush wet with the solvent down the barrel 3 times. Run a dry patch down the barrel until it looks clean, then repeat the process just to make sure. The first cycle usually does a good job. The Hoppes Elite works ok, too. You just have to let it sit longer for the solvent to do it's job.

  11. #11
    just for fun is offline Junior Member
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    Dottio on the JB paste and kriol oil. both can be found at Brownell's of course!
    Last edited by just for fun; 01-07-2007 at 09:20 AM.

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    Quote Originally Posted by lumbermill View Post
    The Hoppes Copper Solvent (black label) does a decent job. I just soak the barrel with a patch and let it sit for 5 minutes or so. I then run an otis brush wet with the solvent down the barrel 3 times. Run a dry patch down the barrel until it looks clean, then repeat the process just to make sure. The first cycle usually does a good job. The Hoppes Elite works ok, too. You just have to let it sit longer for the solvent to do it's job.
    I have tried that stuff, went so far as soaking the barrel in it overnight. It didn't budge the stuff inside. I may have to take it to a "pro."

  13. #13
    milquetoast is offline Member
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    As nobody has mentioned it yet, I will. Brass is an alloy of copper and zinc. Bronze is an alloy of copper and tin. So, if you use a brass or bronze brush to try to scrub out copper, the chemical copper solvent (ammonia) dissolves the brush bristles, and transfers more copper to the barrel.

    If you have tried many different solvents, and there still is copper in the barrel -- you are not using a brass/bronze brush to scrub, right? Just let the chemical work, and wipe it out with a patch over a non-brass button. If the fit of the button is loose, use two patches.

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