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Trijicon ACOG 4x32mm RCO Scope

$1,216.98

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Trijicon ACOG 4x32mm RCO Scope

The Trijicon ACOG 4x32mm RCO Scope was designed for the United States Marine Corp, and features a unique reticle pattern. The 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. It incorporates dual illumination technology using a combination of fiber optics and self luminous tritium, which allows the aiming point to always be illuminated without the use of batteries.

The ACOGs 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. 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).

Trijicon ACOG 4x32mm RCO Scope Features

Always On, Always Ready

Most ACOG models are battery free, featuring a tritium/fiber optic illuminated reticle that automatically adjusts the brightness based on available light.

Take Control

Several ACOG models are designed with a user adjustable brightness setting powered by a single AA battery. The 3.5×35 LED and 4×32 LED models both offer six adjustable brightness settings.

Rugged, Reliable Housing Design

Fixed power design allows for minimal moving parts to create a nearly indestructible sighting system.

“Both Eyes Open” Design

“Both eyes open” shooting using Trijicon’s Bindon Aiming Concept (BAC) feature allows for improved situational awareness.

Outstanding Clarity

The quality of the glass and multi coated lenses maximize light gathering capabilities and clear field of view with zero distortion.

Exact Target Distances & Holds

Most ACOG models feature a bullet drop compensating and target ranging reticle for decisive aiming.

Combat Proven

No other magnified optic has been used more in combat than the ACOG.

Shock Resistant

Proven to withstand recoil from a .22LR to a .50BMG and everything in between. Easily passes U.S. Military drop test requirements.

Waterproof

Exceptional waterproof performance that exceeds military standards. Dry nitrogen filled to eliminate fogging. This optic is tested to withstand and perform in extreme cold and heat with dry nitrogen filled housing that mitigates fogging.

Spec Sheet

ACOG Reticle Dimensions 


Bindon Aiming Concept

Although human vision is based on a binocular or two eyed vision of an image, traditional riflescopes present a monocular view of the target. This monocular view significantly decreases vision capabilities and makes it difficult to acquire and track targets.

Traditionally, “both eyes open” aiming has been widely used with iron sights or reflex style sights, but use with a magnified scope was often deemed implausible. The Bindon Aiming Concept (BAC) is a method of combining “both eyes open” aiming while using a magnified scope.

Shooting with “both eyes open” offers several advantages to the user: better situational awareness, a far superior sense of balance, a wider field of view, and far less eye strain. These advantages aid the shooter in quick target acquisition and improved shooting performance.


Utilizing BAC

When tracking a moving target with your shooting eye through the Trijicon scope for sale, the image appears blurry as the riflescope moves due to the magnification. This blurriness forces the brain to automatically switch eye focus and take in target data from the non-shooting eye (non-magnified). Due to the use of a highly illuminated aiming point in most Trijicon optics, the reticle remains visible in the shooting eye and your brain will superimpose the aiming point onto the non-magnified target.

When the weapon is moving onto the target, you will not notice any magnification, all that will be seen is the illuminated reticle. Once you slow the weapon onto the target, the target will “zoom” in, allowing you to identify and engage more accurately if necessary. This aiming concept happens naturally, without conscious thought, for those with equal or close-to-equal vision in both eyes.


Finding Your Dominant Eye

In order to maximize the potential of “both eyes open” aiming, you must know which eye is dominant. To determine this, conduct the following test:

  1. First, OPEN BOTH EYES, and hold you index finger out in front of you line of sight on a fixed object.
  2. Next, CLOSE your non-shooting eye and note the position of finger on target.
  3. Then OPEN BOTH eyes, keeping finger on target.
  4. Finally, CLOSE opposite eye and note position of finger on target.

If your finger/aiming point does NOT move, that is your dominant eye. If your finger/aiming point moves off target at a great distance, your OTHER eye is dominant.


Specifications

Weight 15.8 oz.

(447.92g)

Magnification 4x
Objective Size 32mm
Reticle Pattern Chevron
Day Reticle Color Red
Night Reticle Color Red
Bullet Drop Compensating (BDC) Yes
Caliber 0.223

(20 in. barrel)

Bindon Aiming Concept™ (BAC) Yes
Illumination Source Fiber Optics & Tritium
Power Source Fiber Optics & Tritium
Eye Relief 1.5 in.

(38.1mm)

Exit Pupil 0.32 in.

(8.13mm)

Field of View (degrees)
Field of View (feet) 36.8 ft. @ 100 yds.

(12.27m @ 100m)

Mount Flattop Thumbscrew Mount (TA51)
Housing Material Forged Aluminum
Finish Matte Black

Trijicon ACOG 4x32mm RCO Scope Includes

Thumbscrew Flattop Adapter for Picatinny Rail(TA51)
killFLASH Anti-Reflection Device(TA91)
Objective & Eyepiece Flip Cap Set
LENSPEN(TA56)
Lanyard Assembly for Adjuster Caps(TA71E)
Trijicon Logo Sticker(PR15)
RCO Manual
Warranty Card


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