I sat down to load some of my "R26" QL data at 62K. The load for 3100fps+, Ha, filled the case to the brim! I dropped down to the 3000fps load and seated a dummy round for my Mesa. To seat the Barnes 120TTSX at 2.70" ( it touches the rifling of my Mesa at 2.75) I had to compress it way more than I like to do! I set it aside and am going to use R17 first, see what that gets me. I just like to see what I can get from a current rifle, good cases and bullets. Sometimes I can get wonderful speeds and accuracy. Sometimes one but not the other, ha. I settle on accuracy #1.