I use CCI "white Box" primers, a little harder cup to guard against slam fires.
After sinus surgery (rear sight buried between my eyes) from a out of battery discharge (case to long) I run every case through a Moe's case gauge after sizing. I keep them .002 short of a FIRED CASE, not SAAMI spec's.
It takes a little extra time, but not nearly as long as it did to heal up.
Ed