Trijicon, ACOG, 4x32, Dual Illuminated Red Chevron, USMC Rifle Combat Optic (RCO) for M4 and M4A1 (14.5 in. Barrel), With TA51 Mount

The ACOG is internally-adjustable, compact telescopic sights with Tritium-illuminated reticle patterns for use in low light or at night. It combines traditional, precise distance marksmanship with close-in aiming speed. This model is designed for use with the M16 family, every feature of its mechanical and optical design was chosen for a single purpose: to provide increased hit potential in all lighting conditions, without failure prone batteries.

• Superior quality glass lenses
• Combat proven
• Fixed magnification
• Rugged aluminum alloy housing
• Both eyes open design