For many many years I've used WD-40 to clean revolver cylinders and barrels. Squirt the cylinder and barrel with WD-40 and let it set for half an hour to an hour. Chuck a slightly oversize bronze bore brush in a cordless drill and run it on slow speed and slowly go in and out about of the charge holes. Two or three passes in each chamber will usually do the trick. As for the bore just run a standard size brush for the caliber slowly in and out to remove fouling. Once and a while I need the Lewis lead remover to clean forcing cone and heavy fowling of rifling. gary