Level-Right ProMaster Grade Precision Reticle Level. A level reticle is critical to long range accuracy. For longer shots, a canted (or unlevel) reticle will pull or push the bullets trajectory off of vertical center. It gets worse the further the distance increases. A level scope means that the reticle (crosshairs) will be perfectly aligned with the rifle bore. Balancing small levels on a scope turret and gun receivers has been a commonly accepted practice for