Originally Posted by
David2011
Jimmy Mitchell (gunsmith from Breckenridge, TX) was at an Area 2 USPSA match a few years ago and we had a conversation about primers not feeding well in my Dillon 650. He convinced me to try CCI primers. I did and they fed more smoothly than any brand I had used- Federal, Winchester and Remington. I had been crushing about 2 out of every 100 on average until going to CCI. I shoot a .40 S&W STI in USPSA matches. I load the brass until it cracks and have never cleaned a primer pocket in that cartridge. I have had exactly no misfires with CCI or any other brand in that cartridge. In fact, the only misfires I have had were in my Colt Trooper MK III after installing lightweight Bullseye springs. It would only ignite Federal primers 100% with the Bullseye mainspring. I switched to a Wolff mainspring that was between the power of the Bullseye and a factory spring and it has been good with any brand of primer. Back to the subject, with a factory level mainspring in my STI Edge (it does get replaced every few years) I have had 100% ignition over 90,000 rounds, about half of which were with CCI primers and uncleaned primer pockets.