I finally got a chance to get out and shoot another 150 of the 147gr round nose. My initial results had them hitting about an inch higher than the 124gr bullets (also round nose) at 50ft. However that was with a limited number of rounds and my most recent outing showed them to be hitting more in line with the 124's. Group size between the two bullets was very similar. The 147's do seem to have noticably less recoil though (at least much less snappy). All in all though I think I'll stick with the 124's. They're cheaper to reload and not as touchy about their powder charge with my favorite powders.