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Trijicon TA31RCO Optic

Overview: The TA31RCO (Rifle Combat Optic) is a 4x32mm fixed-power combat optic designed for precision aiming and rapid target acquisition on military-issued rifles such as the M4 and M16A4. Featuring tritium-illuminated and fiber-optic reticles, the TA31RCO provides a battery-free aiming solution, ensuring consistent performance in low-light and daylight conditions. Its rugged construction and bullet drop compensating (BDC) reticle make it a combat-proven optic for medium-range engagements.

Development & Background: The TA31RCO was developed to meet the requirements of the U.S. Marine Corps (RCO-M4) and U.S. Army (RCO-A4), enhancing the combat effectiveness of infantry riflemen. Unlike traditional scopes, the ACOG incorporates both-eyes-open aiming (Bindon Aiming Concept), improving situational awareness and engagement speed. The etched reticle is illuminated by fiber optics in daylight and by tritium in low-light conditions, eliminating the need for batteries while maintaining a bright and clear aiming point.

Service & Usage: The TA31RCO is standard issue for U.S. Marine Corps and U.S. Army riflemen, providing accurate engagement capabilities from close quarters to 600 meters. The BDC reticle is calibrated for 5.56x45mm NATO ballistics, allowing shooters to quickly compensate for bullet drop at varying distances. Its shock-resistant housing, waterproofing, and fog resistance ensure durability in extreme combat environments. The TA31RCO remains one of the most widely used and trusted optics in modern military operations, offering reliability, clarity, and precision in both offensive and defensive engagements.

Last updated 2 months ago