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-100570. 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. Includes: - 1 3.25 MOA Trijicon RMR Type 2- 1 Flattop Mount (TA51)- 1 Lens pen (TA56)- 1 Lanyard Assembly for Adjuster Caps (TA71E)- 1 Trijicon Logo Sticker (PR15)- 1 ACOG BAC Manual- 1 Warranty Card Specifications: - Finish: Cerate Flat Dark Earth- Magnification: 4x- Objective Size: 32mm- Bullet Drop Compensator: Yes- Length: 5.8""- Weight (oz.): 15.1 w/out RMR- Illumination Source: Fiber Optics & Tritium- Reticle Pattern: Chevron- Day Reticle Color: Red- Night Reticle Color: Red- Calibration: 0.223- Bandon Aiming Concept: Yes- Eye Relief: 1.5""- Exit Pupil: 8mm- Field of View (Degrees): 7- Field of View at 100 yards (ft.): 36.8- Adjustment at 100 yards (clicks/in): 2 clicks/in- Mount: TA51- Mount Comes With: TA51- Housing Material: Forged Aluminum.