THE TACTICAL RED DOT KONUSIGHT IS NOT YOUR TRADITIONAL DOT SIGHT. - It features 4 interchangeable reticle patterns that are among the most popular and versatile today. Each of the reticles can be illuminated in both red and green. In order to accommodate all lighting conditions you can dial up to 5 different intensities in each color. It also comes with a dual mount that fits a standard style base as well as 3/8� grooved receivers such as those used on 22's. The look and feel is all about tactical usage. The knurled eyepiece and the finger adjustable tactical windage and elevation knobs offer form and function in one complete unit. - SPECS - 4 INTERCHANGEABLE RETICLES - RAINPROOF - ILLUMINATION IN RED OR GREEN - DUAL MOUNT SUITABLE FOR 7/8� AND 3/8� RAIL - TACTICAL TURRETS - INTEGRATED RAIL SYSTEM - TECHNICAL DATA - Diameter: 40MM - Length: 4.13� / 105mm - Weight: 12.2 OZ / 305gr - Dot Size: 4 adjustable patterns - Click Adjustment: 1 M.O.A. - Outer Circle Size with Center Dot: 40 M.O.A. - Outer Circle Size with empty center: 20 M.O.A.