The Barska 4x28 IR Electro Sight GLX Green Laser Combo is designed specifically for tactical shooters that need a versatile scope for both short distance quick acquisition shooting and medium to long distance shooting. The 4x25 IR Electro Sight is designed with integrated weaver style 7/8" picatinny tactical rails which allow you to customize your scope with additional aiming accessories. Easily attach and use in combination with laser sight, flashlight or secondary sight. Ideally use the scopes external rails to attach a laser sight that is zeroed in at a short distance (50 yards) and then zero the scope reticle in at a longer distance (100 yards), this allows you to instantly shoot targets at two different distances. This tactical scope with Long Eye Relief is ideal for AR-15, M-16, M-4, SKS and More! High Impact Rated, built strong to with stand high caliber recoil shot after shot. Has a standard Black and Red / Green Illuminated Dual Color Mil Dot Reticle with Integrated Weaver Style Picatinny Rails. The GLX Green Tactical Laser Sight features target style windage and elevation adjustments which makes zeroing your laser sight mush easier and precise! Our newest Laser Sighting System is powered by one CR123A Lithium battery (included) and produce a bright green dot for extreme sighting accuracy with a wavelength of 522-452nm that reaches up to 1000 yds. Riser mount not Included. Backed by a One Year Limited Warranty.