Use a nylon brush, it will spread the solvent through the bore very evenly. Some times I use a machine screw with the dead cut off and wrapped with cotten batting or dacron stuffing fill material. The wrap of material carries the solvent into the bore and prevents the screw from touching the rifling.
The idea is to use a jag/brush material that the solvent won't work on.
What good is copper remover if it's neutralized by the bronze/brass brush before it gets down the barrel?
The copper removers don't care what you use as long it's not a copper based alloy (brass/bronze), once spread out in the bore they can go to work disolving the copper fouling and whats left of the powder burn.
Trying a new to me copper cleaner. Bore Tech CU2 and my patchs are turning blue before i even get them into the bore. Kinda of confusing to tell when you get all the copper out of the barrel. Thanks for the replies Jim
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