Adapted from the battlefields US Forces have begun improving this proven Trijicon ACOG scope by adding a small red dot sight on top for close encounter missions. Trijicon has now created a similar model for the public the TA31-D-100548. The main Trijicon scope provides a dual-illuminated reticle using fiber optics and tritium for bright aiming point in any light condition. The ranging reticle allows for bullet drop compensation out to 800 meters without any manual adjustments. A Trijicon RMR Type 2 sits on top with a 3.25 MOA aiming dot. - The TA31-D-100548 also includes: - 1 3.25 MOA Trijicon RMR Type 2 - 1 Flattop Mount (TA51) - 1 LENSPEN� (TA56) - 1 Lanyard Assembly for Adjuster Caps (TA71E) - 1 Trijicon Logo Sticker (PR15) - 1 ACOG BAC Manual - 1 Warranty Card - Magnification: 4x - Objective Size (mm): 32 - Bullet Drop Compensator: Yes - Length (in): 5.8 - Weight (oz): 15.1 w/out RMR - Illumination Source: Fiber Optics & Tritium - Reticle Pattern: Chevron - Day Reticle Color: Green - Night Reticle Color: Green - Calibration: 0.223 - Bindon Aiming Concept: Yes - Eye Relief (in): 1.5 - Exit Pupil (mm): 8 - Field of View (Degrees): 7 - Field of View @ 100 yards (ft): 36.8 - Adjustment @ 100 yards (clicks/in): 2 clicks/in - Mount: TA51 - Mount Comes With: TA51 - Housing Material: Forged Aluminum