716876002108 19569 This aggressive bore cleaner quickly loosens and lifts heavy copper deposits left by jacketed bullets as they pass through the bore and removes powder fouling. Leaves rifling clean for better accuracy longer barrel life.Product SpecificationsPurposeCleaning Guns ModelCR-10 SeriesBore Cleaner Type Bore Cleaner Size 2 oz Quantity 1 Bristle Type None Suitable For Firearms 30756 716876002108.