The CTL-3420 3 Series is a feature rich 4-20x50mm mid-range rifle scope that has been purposefully built from the ground up. The scopes First Focal Plane (FFP) and impressive Japanese ED glass clarity makes for an unparalleled shooting experience. The custom designed LR1-MIL advanced reticle is fully illuminated and offers quick hold-over points for windage and elevation. The exposed .1 MIL tactical tur