Considering the fact that I had been 3 grains under max load I felt safe sufficient not to operate up. There was also a write-up by German Salazar that confirmed pictures of primers in motion, demonstrating the WINLR to become hotter compared to F210. That gave me some self esteem https://arefederalprimersgood72659.educationalimpactblog.com/53854024/top-federal-primers-large-rifle-magnum-secrets