Things I liked:The screw in patches with brass fiber flecks can help you get a clean barrel quickly. You can get several passes with the cleaning patch, so they are economical Things I would have changed:Put a dab of a light oil in the green cleaning patch, as the cleaner in it is a bit dry. Then pull through a dry white cleaning patch. What others should know:The directions say to pull this FROM the muzzle through the breech...Basically, I would NOT recomment this probuse as they use a braided stainless steel wire. This can cut a fine line in your breech face UNLESS YOU ARE VERY CAREFUL. They would be better off to use a piece of heavy gauge nylon filament line as did the old Beeman kits.