A proven performer, CCI Standard Large Pistol Magnum Primers deliver trustworthy performance for home reloaders. Easier to seat than older-style primers, CCI standard primers feed more smoothly in today's progressive and automated loading equipment. With its clean-burning initiator compound, these non-corrosive, non-mercuric primers deliver a clean burn to leave primer pockets cleaner for greater accuracy and more shots between cleanings. The increased sensitivity design also provides a larger sweet spot for better use with guns that sometimes deliver off-center strikes. Better sensitivity for more positive firing in all guns Non-corrosive, non-mercuric - clean-burning for greater accuracy and more shots between cleanings Easier to seat than older-style primers Smooth feeding in progressive and automated loading equipment Continually tested design