wbyman, first welcome to the forum
i am pretty new here myself but the help has been right on time. i have the 243 stainless and am very impressed with it . i shot 100 grain core locs and 80 grain psps as well as some 85 grain ballistic tips . at 300 shooting off the hood of my truck i can put all of them in a spot about as big as my fist.i know that is not very scientific but i am a hunter and i only worry about one shot at a time. i think the 80s shot a little better and the did a fine job on deer this year. i hope this helps. icthus