Barnes Bullets 30756 CR-10 Bore Cleaner 2 oz Squeeze Bottle

Barnes CR-10 Bore Cleaner effectively removes the toughest copper brass & lead deposits. Leaves rifling clean for top accuracy and longer barrel life. Dissolves layers of corrosive carbon and powder build-up in the throat area caused by repeated exposed to extreme temperatures. *Note- A barrel break-in procedure is recommended to ensure to performance and ease of cleaning.