The Trijicon ACOG (TA31-CH-G) features a battery-free illuminated ballistic reticle and durable waterproof housing. Thus, it can create a versatile weapon sight that is very suitable for use in a wide range of weather and lighting conditions. This Advanced Combat Optical Gunsight (ACOG) sight is outfitted with a green duplex crosshair reticle that has bullet drop compensation stadia on the lower vertical hair that are specifically calibrated for .223 caliber ballistics. Anti-reflection broadband fully multicoated optics maximizes light transmission, so it can provide bright and clear views with limited distortion.
Trijicon’s battery-free dual-illumination reticle system employs a tritium phosphor lamp for low-light and night targeting, as well as a fiber optic illumination that automatically adjusts reticle brightness when operating in daylight. People can adjust the reticle’s aiming point in 1/2 MOA increments, and an internal adjustment mechanism allows the ACOG to reliably hold zero. The ACOG is outfitted with a TA51 mount that has two thumbscrews for clamp-on attachment to a Picatinny rail. Complementing the ACOG’s optical system and the caliber-specific ballistic reticle is a nitrogen-filled, scratch and corrosion-resistant hard-anodized aluminum housing that provides the durability needed for reliable performance in a wide range of shooting conditions.
Trijicon ACOG can stand up to the rigors of extreme combat and duty use in any environment. Therefore, the Trijicon ACOG optical sight is by far one of the most respected optics available today.
Features:
- Green dual-illuminated duplex-style crosshair reticle
- Ballistic drop compensation (BDC) reticle for .223 caliber
- Lower vertical hair features stadia for calculating BDC out to 600 m
- Battery-free illumination uses fiber optics or tritium
- Fiber optics: Focuses, channels, and filters ambient light to illuminate the reticle
- Tritium isotope: Interacts with a phosphors membrane in the system to create illumination for the reticle
- 1/2 MOA impact point adjustments
- Includes TA51 mount for AR-style flattop rail
- Nitrogen-filled for fog proof and waterproof performance
- Waterproof to 328′ (100m)
- 7075-T6 aluminum alloy housing
- Matte black scratch and corrosion-resistant hard-anodized finish




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