I shoot 22-243 with lapua brass, 47gr retumbo, 90gr berger vld seated .007 into the lands @ 3250fps. out of hart 24" 1-8 twist No pressure, easy on brass. I was shooting the 80gr berger vld @ 3450fps with r22. I was shooting the 80gr amax 3350 with retumbo, and 3400 with r25. Mine has no problem stabilizing the 90gr berger vld out to 1200 yards. here is a 1000yd group I shot with the 90gr berger vld.
here is a group me and my uncle frank shot at 750yrds. his is the top group mine is the bottom group
here is a pic of my 22-243