The uniform 0.2 milliradian Horus Grid provides precise references for bullet drop, wind holds and second-shot corrections, without holding in empty space.
Patented Rapid Range Bars subtend 0.5 to 1 milliradian for estimating the range to targets of known size. They also support the Accuracy 1st Speed Shooting Formula.
Numbered vertical hash marks on either side of the horizontal crosshair indicate moving-target leads up to 10 mph. The original H58® guidance describes use with many common calibers at approximately 200–500 yards.