The NcStar Mark III Tactical Series 3-9x42mm Rifle Scope is great for all types of tactical situations. This model features a dual illuminated Mil-dot reticle with green and blue illumination options. This optic has multiple brightness settings for each color, fully multi coated lenses and an improved Locking Quick Release mount and Scope Centerline height, raised to AR15's 1.5" scope height. Scope has lowered BDC Turret height for lower mounting height for the optional 34mm Micro Dot mount and optic.