What distances are you going to be shooting? For medium range,1-1.5 in high at 100 yards will keep you on at 225,for long range-sight in EXACTLY on at 25 yards which is 1.5" high at 50 yards,3" high at 100 yards,3.7" high at 200 yards,dead on at 300 yards,7.8" low at 400 yards,leaving you 350 yards point blank,no think range. That is compiled based on average of factory 130 gr loads.