I simply put a toothpick in the touch hole, pour about 6-8 ounces of water down the barrel, tip a few times and pour out most of the residue...I then use a patch on a jag, take out the toothpick, turn the touch hole down, hold my rifle parallel to the ground and push out the rest of the residue...

I then repeat, then use a little WD-40 to displace the water, use a good gun oil in the barrel and then clean the lock and wipe down the rest of the gun...It's really pretty simply, water easily dissolves black powder, no need for a brush when shooting a prb...