Built to operate under the most demanding conditions, the Extreme Series of Barska copes delivers premium performance at extreme distances. The 6-24x44 IR scope features advanced multi-coated optics for an extremely clear view, and an adjustable illuminated Mil-Dot reticle keeps you on target in any lighting situation. The 30mm monotube construction allows for greater light transmission and provides the scope with a shockproof construction. The 6-24x44 scope is fully waterproof and fogproof, and comes complete with 5/8" high see-through rings, 5" sunshade, and flip-up scope caps.