I think some of the piercing issue came from me and my ABNORMAL caliber. When I had the Federal primers pierce and the CCI not, this was with the large pistol primers IN A CALIBER THAT NEEDS small. Large primers can take less psi before flowing or piercing then small. In my case I was putting the pistol primers ABOVE their limits,CCI just took more than the Federal, but like I said, this is above the design perameters. I had to switch to rifle primers to end the issues.
I have used Federal primers in all of my other calibers at one time or another and never had an issue with them. If you ever have a pierced primer,no matter what brand in any standard caliber it is 1) beyond specs in that caliber, 2)malfuntioning firing pin,.
You have nothing to worry about using those Federal primers.
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