ACOG® 4x32 (ARMY RCO) M4

ACOG® 4x32 (ARMY RCO) M4The Scope That Changed Everything. There's a reason the Trijicon ACOG (Advanced Combat Optical Gunsight) is the official medium distance engagement optic of the Marine Corps and U. S. Special Operations Forces. This Product is subject to ITAR EAR Export Controls. Please visit our ITAR EAR page (click here) or Contact Us for more Information. Green Red Chevron Reticle, Thumbscrew Mount, Tritium Fiber Optics Illuminated. The concept was simple; a

The Scope That Changed Everything. There's a reason the Trijicon ACOG® (Advanced Combat Optical Gunsight) is the official medium-distance engagement optic of the Marine Corps and U.S. Special Operations Forces.

This Product is subject to ITAR/EAR Export Controls. Please visit our ITAR/EAR page (click here) or Contact Us for more Information.

Green/ Red Chevron Reticle, Thumbscrew Mount, Tritium / Fiber Optics Illuminated.

The concept was simple; a durable scope with a reticle that illuminates in low-light and no-light situations—without requiring the use of batteries.

More than 30 years later, the original ACOG stands the test of time as one of our most popular items. Choose from many 4x32 options, including the Official Rifle Combat Optic (RCO) of the U.S. Marine Corps.

The TA31RCO is an Advanced Combat Optical Gunsight (ACOG) designed for the US Army's M4 weapon system (14.5" barrel). It incorporates dual illumination technology using a combination of fiber optics and self-luminous tritium. This allows the aiming point to always be illuminated without the use of batteries. The tritium illuminates the aiming point in total darkness, and the fiber optic self-adjusts reticle brightness during daylight according to ambient light conditions. This allows the operator to keep both eyes open while engaging targets and maintaining maximum situational awareness. Designed to the exact specifications of the United States Marine Corps, the unique reticle pattern provides quick target acquisition at close combat ranges while providing enhanced target identification and hit probability out to 800 meters utilizing the Bullet Drop Compensator. No tools are needed for windage and elevation adjustments because the TA31RCO features external adjusters, making it waterproof up to 11m without the caps. Mounting bosses are integrated into the housing by the eyepiece to allow the easy addition of a Trijicon RMR® (not included).

SPECIFICATIONS:

• Weight: 16.2 oz (459.26 g)
• Magnification: 4x
• Objective Size: 32 mm
• Reticle Pattern: Chevron
• Day Reticle Color: Red / Green
• Night Reticle Color: Red / Green
• Bullet Drop Compensating (BDC): Yes
• Caliber: 0.223 (14.5 in barrel)
• Bindon Aiming Concept (BAC): Yes
• Illumination Source: Fibre Optics & Tritium
• Power Source: Fibre Optics & Tritium
• Eye Relief: 1.5 in (38.1 mm)
• Exit Pupil: 0.32 in (8.13 mm)
• Field of View (Degrees): 7°
• Field of View: 36.8 ft @ 100 yds (12.27 m @ 100 m)
• Mount: Flattop Thumbscrew Mount (TA51)
• Housing Material: Forged Aluminium
• Finish: Matte Black

FEATURES:

• Always On, Always Ready: Most ACOG® models are battery-free, featuring a tritium/fiber-optic illuminated reticle that automatically adjusts brightness based on available light.
• Take Control: Select ACOG models feature user-adjustable brightness powered by a single AA battery. The 3.5x35 LED and 4x32 LED models offer six adjustable brightness settings.
• Rugged, Reliable Housing Design: Fixed-power construction minimizes moving parts, creating a nearly indestructible sighting system.
• “Both Eyes Open” Design: Shooting with both eyes open using the Bindon Aiming Concept (BAC) enhances speed and situational awareness.
• Outstanding Clarity: High-quality glass and multi-coated lenses maximize light transmission and deliver a clear, distortion-free field of view.
• Exact Target Distances & Hold: Most ACOG models feature bullet-drop compensating and target-ranging reticles for precise, decisive aiming.
• Combat Proven: No other magnified optic has seen more combat use than the ACOG.
• Shock-Resistant: Proven to withstand recoil from .22LR to .50 BMG and everything in between. Easily passes U.S. military drop-test requirements.
• Waterproof: Exceeds military waterproof standards. Dry nitrogen-filled housing eliminates fogging and ensures reliable performance in extreme cold and heat.

Product Downloads

• Spec Sheet
• RCO M4/M150 Chevron Reticle