Jack,

I wish you had shot those over a chronograph so we could have an idea how hot your load is in YOUR rifle.

I use the full range of CCI primers at max 5.56 pressures in a variety of rifles and have never experiences and issue that was not user induced.

Generally when you load to excess pressures, CCI primers will not puncture. The point of failure will be primer exiting the primer pocket. With Winchester or Federal primers, I've found they puncture before the exit the primer pocket.

You didn't use logic or reason to get into this opinion, I cannot use logic or reason to get you out of it.

You cannot over estimate the unimportance of nearly everything. John Maxwell