Eliminates all problem with limits of cross-hair movement for long range shooting.
The possibility to set the scope in an angle gives you a height range of astonishing 4m at 100 m shooting distance.
Always lets you use the sweet spot of your scope and fine tune with crosshair adjustments.
Also gives you the possibility to use as high or medium height mounts.
Easy to use and affordable!

Picatinny version offers an adjustment screw in the bottom which allows easy height adjustment.