Methow Packer mentioned: I'm buying some to try. I've got a very well constructed 243AI which i'll use them on as well. I am going to consider them in my thirty Nosler but I'm igniting eighty grains of H1000. I am applying Gold match bench mag primers in it now https://troyfthse.shoutmyblog.com/30892185/cci-br4-can-be-fun-for-anyone