Description

Trijicon ACOG 4x32mm BAC / 3.25 MOA RMR Type 2 Combo

The Trijicon ACOG 4x32mm BAC / 3.25 MOA RMR Type 2 Combo was adapted from the battlefield. The main scope provides a dual illuminated reticle using fiber optics and tritium for bright aiming point in any light condition. Ranging reticle allows for bullet drop compensation out to 800 meters without any manual adjustments.  The ACOG is available in with either a Crosshair or Chevron reticle in either Red, Green or Amber and is combined with a Trijicon RMR Type 2 with a 3.25 MOA aiming dot.

Trijicon ACOG 4x32mm BAC / 3.25 MOA RMR Type 2 Combo 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

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 a  riflescope, 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

Magnification 4x
Objective Size 32 mm
Bullet Drop Compensator Yes
Length 5.8 in
Weight 15.1 oz without RMR
Illumination Source Fiber Optics & Tritium
Reticle Pattern Chevron

Crosshair

Day Reticle Color Red

Green

Amber

Night Reticle Color Red

Green

Amber

Calibration .223
Bindon Aiming Concept Yes
Eye Relief 1.5 in
Exit Pupil 8 mm
FOV (Degrees) 7
FOV @ 100 yards 36.8 ft
Adjustment @ 100 yards (clicks/in) 2
Mount TA51
Housing Material Forged Aluminum

The TA31-RMR also includes

3.25 MOA Trijicon RMR Type 2
Flattop Mount(TA51)
LENSPEN(TA56)
Lanyard Assembly for Adjuster Caps(TA71E)
Trijicon Logo Sticker(PR15)
ACOG BAC Manual
Warranty Card



More from Trijicon

Additional information

Weight N/A
Finish

Black, FDE, OD Green, Sniper Gray

Reticle Options

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Reticle Color

Amber, Green, Red

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