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Trijicon ACOG 4x32 .223 Red Horseshoe/Dot TA31H


.223 Ballistic Reticle - TA51 Mount

List Price $1,547.00
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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:9.9 oz. w/o mount
  • Scope Length:5.8"
  • Magnification Range:4x
  • Scope Objective Diameter:32mm
  • Turret Adjustment (Click Value):2 clicks/inch @ 100 yards
  • Parallax Adjustment:Fixed
  • Reticle Details:Red .223 Horseshoe Dot Reticle
  • Field of View:
    36.8 ft @ 100 yards
  • Exit Pupil:8.1 mm
  • Eye Relief:1.5"
  • Illuminated Reticle:Yes
  • Scope Finish:Black
  • Product TypeRiflescopes
  • UPC719307302525
  • MPN100219

Customer Reviews

Average Rating
August 9, 2019

Haven’t got a chance to sight it in yet, however the sight was shipped and received in a very timely manner. Out of the box there were no scratches, dings etc. Reticle is very crisp and bright in daylight and has a nice glow to it at night. Would recommend covering some of the fiber optic with electrical tape if you’re going to be shooting for extended periods of time in the direct sunlight to save your eye. Great looking optic and Eurooptic has the best price on it.

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April 8, 2023

Amazing! Fast delivery. Got it mounted and zeroed And it’s what you expect from trijicon. Any euro optic Was that best price I found by at least $50.

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June 28, 2019

Trijicon makes good optics so I was not surprised with the high quality of this 4x32 BAC ACOG. Clear glass and a nice horseshoe reticle with a super price how could you go wrong! Have done business with Euro Optics for sometime, in fact Alex was still flying when I made my first purchase. You can’t go wrong here and they generally have the best prices as well as great customer service!

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April 19, 2018

Great scope, trijicon is Marine Corps tough. I’m buying another one

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