SNIPER Scope 4-16x50 W front AO adjustment. Red/Green/Blue Illumination mil-dot reticle. Comes with extended sunshade and Heavy Duty Ring Mount and lens cover Superior Multi-Coated lenses for reduction of glare and reflection, while maximizing light transmission for ultimate brightness and clarity of edge to edge, image Red, Green and Blue illuminated color Mil-Dot reticle with quick-reaching button operations and last active color memory function, along with auto off to save battery life QTA (Quick Tactical Adjustment) tactical turrets with precise 1/4" MOA click value for Ball Bearing wind and elevation adjustment Constructed with single piece of premium Aircraft-grade aluminum with 30mm tube diameter body, Cardan joint design, hardened anodized black matte finish for its durability Nitrogen filled scope body, completely sealed with o-ring, making scope shockproof, waterproof, and fog proof