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Questions & Answers
can this be mounted and used on my ar10 6.5 Creedmoor Expert Answer

The Trijicon ACOG 4x32 Scope w/Dual Illumination could be used on an AR10 in 6.5 Creedmoor. However, these models have the 5.56/.223 BDC reticle, you may want to use the models at the link below with a 6.5 Creedmoor.
https://www.opticsplanet.com/trijicon-ta11e-acog-35x35-scope-red-chevron-bac-308-ta51-flattop.html

by Hunter, Gear Expert, September 20, 2022
Which one to buy for an 11.5” 5.56 SBR? Expert Answer

The Trijicon ACOG 4x32 Scope w/Dual Illumination has a reticle designed for use with .223/5.56. If your SBR is chambered in .223/5.56 then any of these Trijicon ACOG 4x32 Scope w/Dual Illumination models will work.

by Hunter, Gear Expert, September 13, 2022
Customer Reviews
Helpful Positive Review amazing optics by Legacy Reviewer, June 21, 2009
This is my best tactical scope yet Pros: easy to use Cons: none
1/4 found this helpful
Helpful Positive Review Patrick, San Rafael Ca. by Legacy Reviewer, April 6, 2014
This scope is amazing. Compact, Completely rubber coated and super clear glass. Trijicon has definitely got it together !!! It comes with a hard Plastic case and a soft case as well. very sweet deal. The low light feature is truly amazing when it ap...
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6/7 found this helpful
Helpful Positive Review trijicon by Legacy Reviewer, Verified Owner, February 24, 2013
This scope has the green crosshair which help increase target accuracy. Pros: top of the line scope Cons: expensive but worth the money
1/3 found this helpful
Helpful Positive Review ta31g acog by Legacy Reviewer, February 21, 2013
fast shipping, nice packaging and extras, only complaint is that it looks like it has one or two slight dings on it, but it looks like factory dings, as the coating is fine. just minor but overall I love it.
1/3 found this helpful
Helpful Positive Review Trijicon ACOG 4x32 Scope, Dual Illuminated Green Crosshair .223 Ballistic Reticle w/ TA51 Mount by david, February 25, 2015
Trijicon ACOG 4x32 Scope, Dual Illuminated Green Crosshair .223 Ballistic Reticle w/ TA51 Mount. Compared to other high end scopes in the 2.5-10 or 3-9 power range ACOG are much brighter for hunting coyotes at night. No adjustments so it stays simp...
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4/5 found this helpful
Helpful Positive Review TA31 ACOG by Legacy Reviewer, Verified Owner, March 11, 2008
This is a cool scope. The BAC feature combines the best of a red dot with the best of a conventional optic. Very fast on target very clear optics, seems well built. Limited eye releif is OK for an AR type weapon but limits utility on other platforms....
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11/11 found this helpful
Read All 27 Reviews
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Product Info for Trijicon ACOG 4x32 Scope w/Dual Illumination

The Trijicon TA31 ACOG 4x32 Scope w/ Red Dual Illumination Doughnut Reticle features Dual Illumination (Fiber Optic provides daylight illumination and tritium illuminates reticle at night). The reticle of the Trijicon TA31 ACOG 4x32 Tactical Scope ranges out to 800 Meters for 5.56(.223 cal) and hit fast in any light. Trijicon ACOG 4 x 32 Rifle Scopes are internally-adjustable, compact telescopic sights with tritium illuminated reticle patterns for use in low light or at night. The Bindon Aiming Concept (BAC) scope features bright daytime reticles using fiber optics which collect ambient light. Trijicon 4x32 ACOGs Fiber Optics & Tritium Illumination Scope combine traditional, precise distance marksmanship with close-in aiming speed. Although Trijicon ACOG 4 x 32 Scopes w/ Donut Reticle have many features which are very advantageous for military use, they were developed by Trijicon without government funding. 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.image

*The mount is NOT included

Specifications for Trijicon ACOG 4x32 Scope w/Dual Illumination:

Manufacturer: Trijicon
Objective Lens Diameter: 32 mm
Magnification: 4 x
Exit Pupil: 8 mm
Finish: Matte
Field of View, Linear: 36.8 ft at 100 yds
Field of View, Angle: 7 degrees
Eye Relief: 1.5 in
Color: Black
Weight: 9.9 oz
Length: 5.8 in
Adjustment Type: MOA
Illumination Type: Fiber Optics/Tritium
Fabric/Material: Forged Aluminum
Shockproof: Yes
Fogproof: Yes
Package Type: Polymer Hard Case
Magnification Type: Fixed
Condition: New
Country of Origin: USA
Attachment Type: TA51

Features of Trijicon ACOG 4x32 Scope w/Dual Illumination:

  • 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 3.5x35 LED and 4x32 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.

Package Contents:

  • Trijicon ACOG 4x32 Scope w/Dual Illumination
  • Carry Handle Screw and Washer Kit (TA30)
  • 4x32 Scopecoat (TA64)
  • LENSPEN (TA56)
  • Lanyard Assembly for Adjuster Caps (TA71E)
  • Trijicon Logo Sticker (PR15)
  • ACOG BAC Manual
  • Warranty Card

Trijicon ACOG 4x32 Scope w/Dual Illumination Orderable Models

List of Orderable Models

Trijicon ACOG 4x32 Scope w/Green Dual Illuminated Doughnut Reticle BAC-M16/AR15, Black TA31-G , MPN: TA31-G , UPC: 719307303539 , Code: TJ-RS-TA31-G
Trijicon ACOG 4x32 Scope w/Red Dual Illuminated Doughnut Reticle BAC-M16/AR15, Black TA31 , MPN: TA31 , UPC: 719307300316 , Code: TJ-RS-TA31
Trijicon ACOG 4x32 Scope w/Dual Illuminated Red Crosshair .223 Ballistic Reticle w/TA51 Mount, Black TA31-CH , MPN: TA31-CH , UPC: 719307303386 , Code: TJ-RS-TA31-CHA
Trijicon ACOG 4x32 Scope w/Dual Illuminated Green Crosshair .223 Ballistic Reticle w/TA51 Mount, Black TA31-CH-G , MPN: TA31-CH-G , UPC: 719307304352 , Code: TJ-RS-TA31-TA31-CH-GA

Trijicon ACOG 4x32 Scope w/Dual Illumination Unavailable & Discontinued Models

List of Unorderable Models

Open Box,Dealer DMO, Trijicon ACOG TA31 4x32 Scope, Dual Illuminated Red Donut .223 Ballistic Reticle , MPN: TA31-DMO , Code: TJ-RS-TA31-DMO
DEMO, Trijicon ACOG 4x32 Scope w/Green Dual Illuminated Doughnut Reticle BAC-M16/AR15, Black TA31-G , MPN: TA31-G-DEMO , Code: TJ-RS-TA31-G-DEMO
Trijicon ACOG TA31 4x32 Scope, Dual Illuminated Red Donut .223 Ballistic Reticle, Gerber Multi-Plier 1471 , MPN: TJ-RS-TA31-KIT2 , Code: TJ-RS-TA31-KIT2
DEMO, Trijicon ACOG 4x32 Scope w/Dual Illuminated Red Crosshair .223 Ballistic Reticle w/TA51 Mount, Black TA31-CH , MPN: TA31-CH-DEMO , Code: TJ-RS-TA31-CHA-DEMO
Factory DEMO Trijicon ACOG 4x32 Scope, Dual Illuminated Red Crosshair .223 Ballistic Reticle w/ TA51 Mount , MPN: TA31-CH-DEMO , Code: TJ-RS-TA31-CH-DEMO
Trijicon ACOG TA31 4x32 Scope, Dual Illuminated Green Doughnut Reticle BAC, Gerber Multi-Plier 1471 , MPN: TA31-G-KIT , Code: TJ-RS-TA31-G-KIT
Trijicon ACOG 4x32 Scope, Dual Illuminated Green Crosshair .223 Ballistic Reticle & Gerber Suspension Multi-Plier 1471, BOX , MPN: TA31-CH-G-KIT , Code: TJ-RS-TA31-TA31-CH-G-KIT
Trijicon ACOG TA31 4x32 Scope, Dual Illuminated Red Crosshair .223 Ballistic Reticle w/ TA51 Mount, Gerber Multi-Plier 1471 , MPN: TA31-CH-KIT , Code: TJ-RS-TA31-CH-KIT

Legacy Reviews were written prior to the latest upgrade of our Review System. During the data transfer we were unable to preserve nicknames, authors, or helpful scores for older reviews. For this reason, we have declared the author for all reviews created in the old system as "Legacy Reviewer". In addition, due to different content standards,we want to make sure our valued customers know these reviews had lesser requirements than reviews written today do.

Legacy Reviews were written prior to the latest upgrade of our Review System. During the data transfer we were unable to preserve nicknames, authors, or helpful scores for older reviews. For this reason, we have declared the author for all reviews created in the old system as "Legacy Reviewer". In addition, due to different content standards,we want to make sure our valued customers know these reviews had lesser requirements than reviews written today do.

Legacy Reviews were written prior to the latest upgrade of our Review System. During the data transfer we were unable to preserve nicknames, authors, or helpful scores for older reviews. For this reason, we have declared the author for all reviews created in the old system as "Legacy Reviewer". In addition, due to different content standards,we want to make sure our valued customers know these reviews had lesser requirements than reviews written today do.

Legacy Reviews were written prior to the latest upgrade of our Review System. During the data transfer we were unable to preserve nicknames, authors, or helpful scores for older reviews. For this reason, we have declared the author for all reviews created in the old system as "Legacy Reviewer". In addition, due to different content standards,we want to make sure our valued customers know these reviews had lesser requirements than reviews written today do.

Legacy Reviews were written prior to the latest upgrade of our Review System. During the data transfer we were unable to preserve nicknames, authors, or helpful scores for older reviews. For this reason, we have declared the author for all reviews created in the old system as "Legacy Reviewer". In addition, due to different content standards,we want to make sure our valued customers know these reviews had lesser requirements than reviews written today do.

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