Its unique combination of ingredients combined in a multi-step mixing process cushions the abrasive action, making J-B the ideal bore cleaner for maintaining your firearms. J-B Bore Cleaner is renowned for its ability to clean the dirtiest barrels effortlessly.

Its unique combination of ingredients combined in a multi-step mixing process cushions the abrasive action, making J-B the ideal bore cleaner for maintaining your firearms. J-B Bore Cleaner is renowned for its ability to clean the dirtiest barrels effortlessly.