The Trijicon TA31-D-100548 ACOG combines fixed-power magnification with an RMR Type 2 sight for a versatile dual-sighting system. Its combat-proven design supports precise, longer-range aiming and rapid close-quarters target acquisition.Fiber-optic and tritium illumination provide a visible reticle across changing light conditions, while the BDC reticle supports aiming compensation to 800 meters without manual adjustment.Fixed magnification and superior-quality glass lenses for clear, precise sighting.Top-mounted RMR Type 2 features a 3.25 MOA aiming dot.Rugged aluminum-alloy housing and both-eyes-open design.Includes TA51 Flat Top mount.Choose magnified precision or red-dot speed to match each engagement's demands in changing conditions.