Those new .30-30 hornadys 160gr turn your gun into a 300yd deer gun.....so that would give you more energy at 200yds than the standard 150 or 170gr bullets, sicne they should lose velocity more slowly since they have a pointed tip instead of a blunted tip. I think the .30-30 is a bit on the light side for deer out at 200yds+, so those 160's id try and if they do well id use those!