I am shopping for some to test. I have received a nicely designed 243AI that I'll rely on them on as well. I'll check out them in my thirty Nosler but I'm igniting 80 grains of H1000. I am working with Gold match bench mag primers in it now but https://z-ndh-tchen-cci-500-small07395.jaiblogs.com/58557981/a-review-of-large-rifle-magnum-zündhütchen