J-B Bore Cleaner gets caked-in powder residue and copper jacket fouling out of barrels. This paste is non-embedding, which means it doesn't get stuck in the pores of the barrel. Mfg: Sinclair International
If you aren't 100% satisfied with any purchase you receive from Sinclair International, return it for a full refund or exchange. No hassle, no problem. And, we won't bog you down in endless paperwork. Your complete satisfaction with each and every product we sell is what's most important to us. No returns on components or ammunition for obvious safety reasons.