Advanced Combat Optical Gunsight

Currently in service as the Rifle Combat Optic (RCO) of the United States Marine Corps, the TA31RCO is designed specifically for the 14.5" barreled M4 carbine. The bright, red, upside down “V” reticle gives fast, instinctive target acquisition at close range, and is bullet drop compensated (BDC) to the trajectory of military-issue 5.56 NATO ammunition for high hit probability out to 800 meters. Features the original TA31’s long eye relief, ample 4x magnification, superior lens clarity, low-light capability, and Bindon Aiming Concept (BAC) for quick, both eyes open, aiming. Mounts to MIL-STD 1913 Picatinny and similar flattop rails; base may be removed to allow installation on carry-handle rifles. Comes with Tenebraex® Killflash® shield to stop reflections from the front lens giving away your position, plus rugged, MOLLE-compatible nylon carry case, slip-on Scopecote for protection during storage and transport, Lenspen, and adjuster cap lanyards.