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 wind age and elevation. The exposed . 1 MIL tactical turrets provide a precise and rugged feel when dialing for the most accurate of shots. The entire Crimson Trace scope line offers EZ mount leveling indicators for quick and exact mounting and rare tech (Red alignment ring) for proper eye placement. All Crimson Trace Scopes are covered under a Full Lifetime Warranty.