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CUPR-EX BORE COPPER AND GUN POWDER CLEANER
A FASTER ALTERNATIVE TO BORE CLEANING FOAMS
This product efficiently removes copper and gun powder residues from the bores of pistols and rifles in just 10 minutes. It is ammonia-free and does not contribute to pitting or rusting.
It has a lower freezing point than bore cleaning foams, which makes it suitable for winter use.