I have a 260, shooting 140 gr berger, shoots pretty good .5 moa at 500. The problem I am having is the poa is drifting to the right. At 500 3 to 4 in, 750 is 5 to 7 in and 1000 it gets out to about 20 in to the right. Everything seems to be level, am even going to try to cant my scope tomorrow...