Trijicon ACOG 4x32 Dual Illumination Red M855 RCO Riflescope - TA31RCO-M855

The Trijicon ACOG TA31RCO-M855 is a 4x32mm advanced combat optical gunsight designed for M16A4 and M16M4 rifle platforms. It features dual illumination technology combining fiber optics and self-luminous tritium, providing an always-illuminated aiming point without batteries. The reticle automatically adjusts brightness via fiber optics in daylight and tritium illumination in total darkness.