NcStar 3-9 X 42 Rubber Compact with Red Laser/Green Lens Illuminated Rangefinder Scope (SRTR3942G) Open Target Turrets- Fully Multi Coated Lenses Built in angle cut sunshade- Quick focus eyepiece Bullet drop compensator calibrated for the .223 cartridge with a 55 grain bullet- Range finder reticles illuminate in Blue with multiple brightness setting Integrated Quick Release weaver style/ Picatinny mounting system- EXIT PUPIL(MM) 9.3-3.1-CLICK VALUE : 1/2 M.O.A.-EXTERIOR FINISH: RUBBER ARMORED- LENS COATING: GREEN External adjustable Red Laser-MAGNIFICATION:3X-9X- OBJECTIVE DIA. (MM) 42.00- FOV (FEET AT 100 YARDS) 36.8-12.0- EYE RELIEF (in) 2.0 Integrated quick release weaver style/picatinny mounting system Mil Dot Reticle illuminates in blue with 5 brightness setting Bullet drop compensator calibrated for the .223 cartridge with A 55 grain bullet Features a built-in sunshade Includes built-in adjustable red laser