I also leave it in the bore overnight using a chamber plug.
I also use "foam" at times.
I thoroughly clean it with "break cleaner" the next day, I spray "Brake Free" abundantly in the chamber and bore, and always patch the bore to wipe out excess.
The day of the shoot/match, I thoroughly wipe off all excess, and jag the bore. 3 patches produces a white patch.
I have never had a problem, and love the product!
PS: And I "NEVER" use brushes when cleaning! I have "NEVER" had a carbon issue!
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the above tool tells me that Wipe out foam, used with accelerator, Patch out with Accelerator, Tactical has NEVER removed carbon from my barrels with patches only. Brushing with bronze bristle brushes with the above will remove the carbon. So, brushes do the work.
I help half a dozen guys a year salvage their barrels to the point where JB, Issio, and Flitz used on good bronze bristle brushes will not even cut through the carbon from using Wipe Out only with patches. When done cleaning with Wipe out, I simply push a couple of patches of lighter fluid down the bore.
Here is my collection of wipe out, and the product works extremely well in removing copper, and with good bronze bristle brushes will remove carbon.
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I have my own private rifle range, and shoot out of a heated/AC house. We shoot all year, all kinds of weather. Since I am not sitting outside in the weather, reload right behind the shooting bench, I probably shoot more than most. One thing I have learned, a very clean barrel is a good thing to keep the pipe running at it's best. Don't expect a barrel to shoot consistently if it is powder fouled from breach to muzzle, or the grooves are Black from carbon fouling, the entire length of the barrel.
I will usually shoot 30-40 rounds in between cleanings on small and mid size cases, less on magnums.
I am always looking for a better mouse trap when it comes to cleaning a rifle barrel.
It is all to obvious that MANY that make comments on how they clean their barrels do not have a bore scope and judge their barrel's condition on how clean the patches are. Cooked on hard carbon does not leave a trace on a lilly white patch.
I make various concoctions of Honing oil and various grades of Al Oxide to get out that hard baked on carbon. I have had good success with soaking a barrel in a super penetrating oil for week intervals, then immediately brushing, then plug and re-soak again. I use the oil soaking after brushing with JB, Issio, and Flitz has failed to remove the carbon on a brush, and with 0000 steel wool wrapped in a brush.
When the penetrating oil soaking has reached it's limit of success, then it is time for a more serious abrasive, Al Oxide on tight fitting patches, then a brush.
If this does not get the carbon out, the next step is a last ditch effort, hail mary scrubbing with Silicone carbide(grade 600& 800) from Brownells.