The SIII PLR 6-24x50 Zero-Stop rifle scope features a new internal zero-stop mechanism and a Second Focal Plane illuminated MOA-2 reticle. Designed for long range target shooting and hunting, the scope provides 100 MOA of windage and elevation with 0.25 MOA tactical knobs. The windage and elevation knobs have 20 MOA per revolution. The 30mm body tube is waterproof, shockproof and nitrogen charged. Minimum focus is 20 yards. The PLR (Precision Long Range) Series is designed to provide premium performance in an affordable package. All models sport a black satin finish with high visibility markings to quickly identify your scopes settings. The large oversized tactical knobs are easy to adjust in any weather conditions and are resettable to zero.