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AR15.COM
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1/6/2010 1:23:29 AM EDT
Hello all, I was wondering how you all use copper solvent on your barrels. I do my normal cleaning after each range session by applying CLP to a brass bore brush and scrubbing the barrel several times. Then I go through my patch routine. Last cleaning session I was working on my AR and Garand and noticed some copper colored stuff in the lands of my Garand barrel, about an inch and a half worth from the muzzle. I dipped my bore brush in Shooters Choice and ran it down the barrel like I would with the CLP, and the patches after came out insanely dirty. Am I applying the copper solvent correctly? Am I getting some kind of false positive from the brush, or is that all from the barrel? Should it go on a brush, or run the brush down with CLP like normal then run a Shoters Choice patch? Suggestions from the experts?

Thanks for the time

LABlackRifle
1/6/2010 10:26:07 AM EDT
[#1]
CLP is good stuff, but its not a copper solvent.
On high power rifles like the M1 you need to use a bore solvent to remove the copper fouling.

To clean, run a GOOD bore brush soaked with solvent through the bore about 15 to 20 passes, depending on how many rounds you fired.  Keep the brush wet.  
Note that even if you flush the bore brush with something like paint thinner to wash off the bore solvent, the brushes still don't last very long.  Buy brushes in bulk from Brownell's and pitch them when they get loose in the bore.

After brushing run two patches soaked with solvent through and allow to soak.  How long to soak depends on the bore solvent.  READ THE LABEL.  Some can't be allowed to stay in the bore longer than 30 minutes, some, like Hoppe's #9 can be allowed to soak for days.
Remember that bore solvents need TIME to work.  Allow to soak as long as possible consistant with the label directions.

After soaking for at least 30 minutes, run a clean soaked patch straight through the bore in one smooth pass.  When it comes out, look for green or blue stains, which indicate copper fouling.
If you see any, allow the bore to soak some more.
Repeat until the patches come out clean, then dry the bore and apply CLP to prevent rust.
If you're using something that can be left in the bore for extended times, it may take several days of soaking and wet patching to get an M1 bore perfectly clean.  Run a fresh patch at least several times a day, since the solvent does get "used up" by the copper fouling

Brushes will leave a thin layer of copper which will react with bore solvent and look like a fouled bore.
Note also that "pumping" a patch up and down the bore does nothing.  Run patches straight through.  The patch is intended to carry solvent into and out of the bore.
1/6/2010 4:26:55 PM EDT
[#2]
Thank you sir! I guess I was worried that I was doing more harm than good dipping a brass bore brush in copper solvent and running it down the barrel. I guess the key is to patch the shit out of it after knocking most of the crap loose with the bore brush.

Thanks for the reply.

Regards,

LABlackRifle
1/8/2010 5:31:11 PM EDT
[#3]
Not sure I understood you but it is better to get a little squeeze bottle that allows you to apply the solvent to the brush rather that dipping the brush in the bottle of solvent. You will foul the solvent after some time if you dip the brush in the bottle of solvent and it will lose its potency, ask me how I know! If you add the solvent to the brush, the solvent will last longer and be stronger when you use it.
Mark
1/8/2010 8:45:32 PM EDT
[#4]
Do not go crazy about copper fouling. You will do more to ruin your rifle by trying to get every little bit out, than you will if you leave it alone.

CLP, brass brush and patches. When the patches are clean, I stop cleaning.

I tried getting every little bit of copper fouling out of my Win 70 hunting rifle. This rifle will consistantly shoot 1 moa or better at 100yds. Accuracy went down after removing all the copper fouling. Accuracy came back after some built back up. Now, I just clean like I always did and accuracy remains.
1/9/2010 12:08:55 AM EDT
[#5]
Quoted:
Hello all, I was wondering how you all use copper solvent on your barrels. I do my normal cleaning after each range session by applying CLP to a brass bore brush and scrubbing the barrel several times. Then I go through my patch routine. Last cleaning session I was working on my AR and Garand and noticed some copper colored stuff in the lands of my Garand barrel, about an inch and a half worth from the muzzle. I dipped my bore brush in Shooters Choice and ran it down the barrel like I would with the CLP, and the patches after came out insanely dirty. Am I applying the copper solvent correctly? Am I getting some kind of false positive from the brush, or is that all from the barrel? Should it go on a brush, or run the brush down with CLP like normal then run a Shoters Choice patch? Suggestions from the experts?

Thanks for the time

LABlackRifle


    I do not use a brush very much , when I do I use it with Hoppies # 9 .

    I mostly use patches & Shooters Choice Copper Remover .  When I finish , I use a couple of patches with Hoppies to kill the ammonia & then dry patches .

God bless
Wyr

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