The Aimsports Scout offers a long eye relief scope that compensates for parallax. With the greater operating distances of our 3-12x model, this feature sets us apart from the crowd. These scopes are meant to be mounted forward of the rifle action, or on top of a pistol slide, or revolver frame. The scope is nitrogen charged, sealed, fog proof and shock-resistant. Capped, finger adjustable windage and elevation knobs and AO-Adjustable Objective lens system for parallax fine tuning.Few competitors offer a long eye relief scope that compensates for parallax. With the greater operating distances of our 3-12x model, this feature sets us apart from the crowd. These scopes are meant to be mounted forward of the rifle action, or on top of a pistol slide, or revolver frame. Consult our spec chart to determine if this type of eye relief is what your firearms requires. Feature: CNC machined 1-piece aluminum 1 inches body Nitrogen charged, sealed, fog proof and shock-resistant Capped, finger adjustable windage and elevation knobs Adjustable objective lens system for parallax fine tuning