i sight my rifle 2 inches high at fifty yds,at 100 yds im right on groups under 2 inches if not windy .most of the hunting area i hunt 100 yds so this works good for me .but if the case presents itself 150 yds is in my range.i use barns bullets tmz 250 gr. ballistc tip bullets over 110 grains t7 ffg powder.