Methow Packer mentioned: I am getting some to try. I have bought a well built 243AI which i'll utilize them on also. I will attempt them in my thirty Nosler but I'm igniting 80 grains of H1000. I am making use of Gold match bench mag primers in it now https://z-ndh-tchen-cci-20968012.actoblog.com/32142627/cci-300-an-overview