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Trijicon ACOG 4x32 BAC RCO Scope with Horshoe Dot Reticle TA31-D-100582

SKU TA31-D-100582

List Price $1,776.00
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iconThis item ships for free Offer valid within continental United States. Excludes firearms & ammunition.

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With over one million produced, Trijicon’s Advanced Combat Optical Gunsight, better known as the ACOG has become iconic in the realm of combat optics — and for good reason, the ACOG has an unquestioned reputation for quality and reliability. The Trijicon ACOG is the official medium range weapon sight for both U.S. Special Operations Forces and the Marine Corps as well as being the optic of choice for law enforcement agencies across the country. What sets the ACOG apart from the pack is what it offers to its users, increased hit potential regardless of light conditions. This is due to the tritium/fiber optic illuminated reticle found in most Trijicon ACOG riflescopes, this automatically adjusts illumination of the reticle based on available light. With a wide array of magnification levels, reticle designs, and reticle colors available — there truly is an ACOG for every mission.

Trijicon ACOG riflescopes come in the following magnification levels:

1.5x16, 1.5x24, 2x20, 3x24, 3x30, 3.5x55, 4x32, 5.5x50, and 6x48.


Superior Quality Glass Lenses
Multi-coated lenses provide superior clarity and light transmitting capabilities with zero distortion.
Rugged Aluminum-Alloy Housing
Forged 7075-T6 aircraft aluminum-housing provides for a nearly indestructible sighting system.
Fixed Magnification
Less moving parts than a variable optic equals increased durability and reliability. Seven magnification levels are available.
Waterproof up to 100 Meters
Dry-nitrogen filled to eliminate fogging. Five times more waterproof than military standard requirements.
Both Eyes Open Design
The ACOG can be used as a CQB sight when shooting both eyes open utilizing the Bindon Aiming Concept.


  • Item ConditionNew
  • Scope Weight:14.2 oz.
  • Scope Length:6"
  • Magnification Range:4x
  • Scope Objective Diameter:32mm
  • Turret Adjustment (Click Value):2 clicks/inch @ 100 yards
  • Parallax Adjustment:Fixed
  • Reticle Details:Red Horseshoe Dot Reticle
  • Field of View:
    36.8 ft @ 100 yards
  • Exit Pupil:8.1 mm
  • Eye Relief:1.5"
  • Illuminated Reticle:No
  • Scope Finish:Black
  • Product TypeRiflescopes
  • UPC719307312142
  • MPN100582

Customer Reviews

Average Rating
August 20, 2020

This reticle comes with Mil dots in addition to the regular Horseshoe w/bullet drop. classic Trijicon, What else can I say?

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May 10, 2022

If you have never seen one or held one To know How Crisp the optics are, Then you will be in for one Hell of a surprise. Trijicon ACOG does not disappoint. I was fortunate to see one at a Gun Show before I made my Purchase. If you are Hesitating because of the Cost of a ACOG do not Hesitate, Pull the trigger Quick. Worth every Penny it cost. Very quick acquisitions. I don't know what else I can say About the Trijicon ACOG. Enjoy it when you buy it, I know you will love it.

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April 3, 2022

Crystal clear glass from edge to edge! Schott glass is some of the best in the world and it’s obvious when you look through an ACOG. This particular optic has MIL markers in addition to the classic horseshoe reticle. Its a nice feature to add. As with all other ACOGs, build quality is exceptional, the QD mount by LaRue is rock solid making this an excellent package. Eurooptics shipped quickly as always!

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