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Trijicon ACOG 4×32 .223/5.56 Calibrated BDC Horseshoe Dot Reticle With TA51 Mount

Original price was: $1,617.00.Current price is: $1,199.00.

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Trijicon ACOG® 4x32 Illuminated Horseshoe Dot 5.56/223 BDC Reticle Riflescope

Presenting the Trijicon ACOG 4×32 Scope – a perfect blend of precision, durability, and versatility. This advanced combat optical gunsight (ACOG) is tailor-made for those who demand uncompromising performance from their shooting gear.

This 4×32 scope is built with high-grade aircraft aluminum alloy housing, providing bulletproof durability that can withstand the harshest of environments. Whether you’re in the heart of the wilderness or on a challenging hunt, this rugged scope is designed to last.

At the heart of the ACOG 4×32 is its superior optical clarity. The multi-coated lenses provide a bright, crisp, and high-contrast view, even in low-light conditions. With a magnification power of 4x and an objective lens diameter of 32mm, it delivers a generous field of view, allowing you to spot and track your targets with ease.

One of the standout features is its illuminated reticle. Powered by Tritium/Fiber Optic illumination, the reticle remains highly-visible in any lighting condition, without the need for batteries. This means you’ll always have a clear sight picture, from dawn till dusk.

The ACOG 4×32 scope also boasts a Bullet Drop Compensator (BDC) reticle, allowing you to make quick and precise holdover adjustments for different ranges. This feature is invaluable for long-distance shooting, ensuring your shots are accurate and lethal.

The windage and elevation adjustments are easy to use, offering you the ability to fine-tune your aim for maximum accuracy. Plus, with its fixed-power design, there’s no need to fiddle with changing magnifications – simply point, aim, and shoot!

Mounting the ACOG 4×32 scope is a breeze, thanks to its compatible design with standard Picatinny or Weaver-style rails.

Proudly made in the USA, the Trijicon ACOG 4×32 Scope brings together advanced technology, robust construction, and user-friendly design. Whether you’re a seasoned shooter or a novice marksman, this scope is a reliable companion that will enhance your shooting experience.

Please note: Always adhere to all local, state, and federal laws and regulations regarding the use and possession of optical sighting devices.

And the best part? It’s made right here in the USA.

And there you have it folks, the Trijicon VCOG 1-8×28 Scope – the only scope you’ll ever need.

“The ACOG® mounted on the M16 service rifle has proven to be the biggest improvement in lethality for the Marine infantryman since the introduction of the M1 Garand in World War II.”
General James "Mad Dog" Mattis
Former United States Secretary of Defense

Features :

  • Virtually indestructible and tested to MIL-STD-810G
  • Multi-coated lenses provide superior clarity and light-gathering capabilities with zero distortion
  • First focal plane reticle to rapidly acquire target and apply correct hold
  • Integrated TA51 mounting adapter provides quick and easy mounting to any rail system
  • Easily Mounts to Firearms with Standard Picatinny Rail
  • Always On, Always Ready: Most ACOG models are battery-free with a tritium/fiber optic illuminated reticle that automatically adjusts brightness based on available light.

  • Rugged, Reliable Housing Design: The fixed-power design minimizes moving parts, resulting in a nearly indestructible sighting system.

  • “Both Eyes Open” Design: Utilizes Trijicon’s Bindon Aiming Concept (BAC) feature to allow for improved situational awareness through “both eyes open” shooting.

  • Outstanding Clarity: High-quality glass and multi-coated lenses maximize light-gathering capabilities and provide a clear field of view with zero distortion.

  • Accurate Target Distances & Holds: Most ACOG models feature a bullet drop compensating and target-ranging reticle for decisive aiming.

  • Combat Proven: The ACOG is the most used magnified optic in combat, a testament to its reliability and performance.

  • Shock-Resistant: Designed to withstand recoil from a .22LR to a .50BMG and everything in between, it easily passes U.S. Military drop test requirements.

  • Waterproof: Exceeds military standards for waterproof performance, and is dry nitrogen-filled to eliminate fogging, ensuring optimal performance in extreme weather conditions.

*Not drawn to scale
*Not drawn to scale

Specifications

Length - Width - Height 5.9 x 2.0 x 2.5 in. 150 x 51 x 64mm Weight 15.1 oz. (428.08g)
Magnification 4X Objective Size 32mm
Waterproof Yes 66 ft. (20m) Reticle Pattern Trijicon ACOG 4×32 Horseshoe Dot Reticle Green Zoomed In Horseshoe Dot
Day Reticle Color Red or Green depending on model selected above Bindon Aiming Concept™ (BAC) Yes (Allows shooting with both eyes open)
Bullet Drop Compensating (BDC) Yes Adjustments 1/4 MOA per click
Reticle BDC Calibration 5.56 / 223 Eye Relief 1.5 in. (38.1mm)
Exit Pupil 0.32 in 8.1mm Field of View (degrees)
Field of View (feet) 36.6 ft. @ 100 yds. 12.2 @ 100m Housing Material Forged aluminum
Illumination Source Fiber Optics & Tritium Illumination Settings Auto adjusting based on ambient light
Mount Flattop Thumbscrew Mount (TA51) Finish Matte Black

Frequently Asked Questions

What does ACOG stand for?

ACOG stands for “Advanced Combat Optical Gunsight.” It’s a type of optic made by Trijicon and designed for precision, durability, and ease of use in various shooting conditions.

The ACOG is made with a forged aluminum housing, making it nearly indestructible.

The ACOG comes with several different reticle patterns, colors, and calibrations for different calibers. This particular model comes with an illuminated horseshoe dot calibrated for 5.56 / 223 calibers and is available in green or red colors. 

Horseshoe Dot Green

Horseshoe Dot Red

Most ACOG models are battery-free (including the one you’re currently looking at). Instead of batteries, they feature a tritium/fiber optic illuminated reticle that automatically adjusts the brightness based on available light. However, some models do have user-adjustable brightness settings powered by a single AA battery.

12,000 hrs on setting #4 for battery-operated models. This particular model uses tritium and fiber optics for illumination and doesn’t use batteries at all. 

The ACOG 4×32 is extremely durable. It features a rugged, reliable housing design with minimal moving parts for added durability. It has also proven to withstand recoil from a .22LR to a .50BMG and easily passes U.S. Military drop test requirements.

Absolutely. The ACOG 4×32 scope offers exceptional waterproof performance that exceeds military standards. It’s filled with dry nitrogen to eliminate fogging, allowing it to perform well in extreme cold and heat.

The ACOG is proudly made in the USA.

The “Both Eyes Open” design, also known as the Bindon Aiming Concept (BAC), allows shooters to keep both eyes open for improved situational awareness while aiming.

The ACOG 4×32 scope features high-quality glass and multi-coated lenses that maximize light-gathering capabilities and provide a clear field of view with zero distortion.

This feature in most ACOG models allows for decisive aiming at varying distances. The reticle compensates for bullet drop over specific distances, providing accurate holdover points for shooters.

Basically, the horizontal lines in the reticle represent aiming points at various ranges. The ACOG was originally calibrated using 55gr 5.56 NATO ammo shot out of a 16″ barrel. (The standard military-issued M16 configuration). 

The real issue is not the bullet weight or barrel length, but muzzle velocity, ballistic coefficient, and the distance of optic height over bore. The difference in trajectory from bullet to bullet or barrel to barrel is usually less than the MOA thickness of the stadia lines. 

It’s important to test and shoot at each specific range depicted in the reticle to gather DOPE (data on previous engagements) for your specific rifle and ammo configuration. The stadia lines will get you close, but they are not 100% reliable in all configurations. 

Yes, the ACOG is the most used magnified optic in combat, underscoring its reliability and high performance.

Yes. The reticle pattern in the ACOG is created by removing reflective metal from a prism mirror situated at approximately a 45-degree angle within the gun sight. Due to this arrangement, the left side of the reticle is nearer to the eye than the center, and the right side is further away. As a consequence, the right side of the reticle appears focused beyond infinity, leading to potential distortion. This distortion varies between individuals based on their eyesight. There’s no impact on the left side because our eyes are adept at focusing on closer objects. Despite this, the scope’s performance remains unaffected, as only the right horizontal reticle line may appear blurry while the target area’s image remains clear. This design is necessary to achieve a parallax-free vertical center in the scope, facilitating the built-in ranging feature in the reticle pattern.

The MILSPEC testing standard used for the SOPMOD, in which the TA01NSN, was tested is (MIL-STD-810E). For leakage testing “all optics and other electrical devices were subjected to waterproof testing to 70 feet to determine device capabilities”. Seventy feet is approximately 2 atmospheres.

The “Both Eyes Open” design, also known as the Bindon Aiming Concept (BAC), allows shooters to keep both eyes open for improved situational awareness while aiming.

Weight 2.19 oz
Dimensions 8.25 × 8.25 × 5.25 in
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Trijicon

Trijicon stands as a premier manufacturer of any-light riflescopes and night sights, commanding a leading position globally. Renowned for supplying the US Army, Marines, Special Forces, and law enforcement across the USA, Trijicon's optics meet the most rigorous standards of quality, reliability, and combat effectiveness. Boasting a wide range of products that cater to hunters and competitive shooters, Trijicon's fiber optic and tritium night sights are designed for long-lasting performance, providing a bright aiming point without the need for batteries. Their signature product, the Trijicon A.C.O.G. (Advanced Compact Optical Gunsight or ACOG), initially created for military application, is now available for a diverse array of firearm applications and shooting situations. Trijicon's product lineup, which includes rifle scopes, night sights, red dot sights, and electro optics, is celebrated for legendary reliability, absolute accuracy, and industry-leading technology. These innovative and durable products encompass a sealed, battery-powered red dot sight suitable for use on rifles, carbines, and shotguns, along with a full line of self-luminous pistol night sights, fiber sights, Glock night sights, and AR iron sights for home defense and competitive use. Trijicon's commitment to providing proven toughness and accuracy is evident in their unparalleled range of riflescopes, red dot sights, electro optics, and iron sights.
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Trijicon ACOG 4×32 .223/5.56 Calibrated BDC Horseshoe Dot Reticle With TA51 Mount

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