I'm buying some to try. I've received a nicely constructed 243AI that I'll use them on too. I am going to check out them in my 30 Nosler but I am igniting 80 grains of H1000. I'm utilizing Gold match bench mag primers in it now but a different primer https://zndhtchensmallpistol25814.topbloghub.com/37879552/cci-250-zündhütchen-no-further-a-mystery