Originally Posted by helotaxi
Velocity and BC are all that matter for determining wind drift. The .204 and .22-250. shoot bullets of similar BC at right at the same velocity. It isn't until you get into the much heavier bullets for the .22-250 with their much greater BC's that the difference becomes apparent. The .243AI has a decent velocity advantage and when you get into the 65-75gn bullet weight range, the higher BC with that higher velocity really allows it to step away in the wind drift department.