WHEELER ANTI CANT INDICATOR PIC RAIL - SKU: WH-ACIRAIL Keeping your scope perfectly aligned is critical to long-range accuracy and the Wheeler Anti-Cant Indicator is a pivotal tool for ensuring your rifles accuracy. Canting your scope, even just a couple of degrees, can cause error in point of impact. With modern "Drop-Compensating" scopes, an Anti-Cant Indicator is a necessity. If your gun isn"t aligned correctly, dialing up the turrets, or using hold-over marks, will just throw your shot off. This error can easily be enough to cause misses. The Wheeler Anti-Cant Indicator ensures that your rifle is always held near perfectly vertical, eliminating any chance for "Cant Error" to cause a miss. Features: Conveniently mounts to any Picatinny or Weaver style rail Indicates precise, repeatable level gun position Increases accuracy by insuring proper gun alignment, which is critical for turret adjustment and hold over for bullet drop compensation Easy-to-view from shooting position Attaches to scope, folds flat onto the side of the scope when not in use Precision machined aluminium with anodized finish