7 Best ACOG Scopes

Outdoor Moran is reader-supported. When you buy through links on our site, we may earn an affiliate commission. Learn More

In this article, we will explore the best ACOG scope recommendations on the market, taking into account factors such as durability, optics quality, and ease of use. Whether you are a professional operator or a serious shooter, these ACOG scopes will provide you with the precision and performance you need to excel in any situation.

The Advanced Combat Optical Gunsight, or ACOG, is a battle-proven scope system used by military and law enforcement agencies worldwide. ACOG scopes are known for their ruggedness, reliability, and accuracy, making them an ideal choice for a variety of tactical applications.

ACOG scopes offer several advantages over other sighting systems, including fixed magnification, bullet drop compensators, and fiber optic illumination.

Here is a quick summary of the best ACOG Scopes

1) Trijicon ACOG 4×32 BAC 300 BLK BDC Riflescope

Best ACOG Scopes

 

  • Weight: 9.9 oz
  • Eye Relief: 1.5 in
  • Length: 5.8 in
  • Magnification: 4 x

 

 

2) Trijicon ACOG 3.5×35 .223 Reticle Riflescope

Trijicon ACOG 3.5x35 .223 Reticle Riflescope

 

  • Weight: 14 oz
  • Eye Relief:2.39 in
  • Length: 8 in
  • Magnification: 3.5 x

 

 

 

3) Trijicon ACOG 3.5×35 .308 Reticle Rifle Scope

Trijicon ACOG 3.5x35 .308 Reticle Rifle Scope

 

  • Weight: 14 oz
  • Eye Relief:2.4 in
  • Length: 8 in
  • Magnification: 3.5 x

 

 

4) Trijicon ACOG 4×32 .223 Reticle Riflescope
Trijicon ACOG 4x32 .223 Reticle Riflescope
  • Weight: 17 oz
  • Eye Relief: 1.5 in
  • Length: 5.8 in
  • Magnification: 4 x

 

 

5) Trijicon TA31RCO-M4 ACOG 4×32 USMC M4 Rifle Scope
Trijicon TA31RCO-M4 ACOG 4x32 USMC M4 Rifle Scope
  • Weight: 15.1 oz
  • Eye Relief: 1.5 in
  • Length: 5.8 in
  • Magnification: 4 x

 

6) Trijicon ACOG TA02 4x32mm Riflescope

Trijicon ACOG TA02 4x32mm Riflescope

 

  • Weight: 18.1 oz
  • Eye Relief: 1.5 in
  • Length: 6 in
  • Magnification: 4 x

 

 

 

7) Trijicon 4×32 ACOG ECOS Riflescope

Trijicon 4x32 ACOG ECOS Riflescope

 

  • Weight: 14 oz
  • Eye Relief:1.5 in
  • Length: 6.2 in
  • Magnification: 4 x

 

 

Advantages of ACOG Scopes

There are several advantages to using ACOG scopes over other sighting systems, including:

Allows shooting at any time

Trijicon is a dual illumination process expert. Their proprietary process combines tritium-based technologies with fiber optics. Thanks to this combination’s self-illuminating capabilities, you can use your ACOG scope day or night.

This adaptability allows you to use the scope whenever, anywhere, and under all circumstances.

Fixed magnification

ACOG scopes have a fixed magnification, which means they are less prone to distortion and offer a clearer and more stable image than variable magnification scopes.

Durability

The finest ACOG scopes last a lifetime and beyond. Regarding construction, ensure the scope is made of forged aluminum and fully multi-coated lenses. Without a doubt, the price of a premium ACOG scope must be seriously considered. However, this results in an exceptional value for money.

You will gain from prolonged use in addition to a strong build. There are fewer moving elements, meaning fewer potential points of failure.

Simple to use

The convenience of utilizing an ACOG scope must be its greatest selling point. Batteries are not needed for the ACOG scopes. There is no more messing around with power buttons or anything else once your scope is mounted and zeroed. Open the optics, take your shot through the sight, and release the trigger.

The Bindon Aiming Concept is also a handy feature. Shooters can fire with both eyes open thanks to technique, which is quite significant.

Ruggedness and reliability

ACOG scopes are designed to withstand harsh environments and extreme conditions. They are made from durable materials and have been tested extensively to ensure their reliability.

Bullet drop compensators

ACOG scopes have built-in bullet drop compensators, which allow the shooter to quickly and accurately adjust for bullet drop at different distances.

Fiber optic illumination

ACOG scopes use fiber optic illumination, which means they do not require batteries and are always ready for use. The illumination adjusts automatically based on the ambient light, ensuring optimal visibility in any lighting conditions.

Quick target acquisition

ACOG scopes have a large, illuminated reticle that allows for quick and easy target acquisition. The reticle also has markings for ranging and lead correction, making it easier to hit moving targets.

Best ACOG Scopes

1) Trijicon ACOG 4×32 BAC 300 BLK BDC Riflescope

Best ACOG Scopes

 

 

Trijicon 4×32 BAC ACOG Rifle Scope is the best ACOG scope for 300 blackouts, it features a fixed power design,multi-coated lenses, bullet drop compensating and target-ranging reticle, waterproof performance, and the ability to shoot with both eyes open.

The scope features a rugged and durable construction that is durable and shock resistant, it’s able to handle recoils from a .22LR to a .50BMG. The construction is tough and scratch-resistant to withstand the harshest of conditions such as extreme cold and heat. The scope is also waterproof and fog-proof, making it ideal for use in all weather conditions.

The Trijicon ACOG 4×32 BAC 300 BLK BDC Riflescope is a versatile tactical riflescope for rifles and carbines. This riflescope is specifically designed for use with the .300 Blackout cartridge and features a bullet drop compensator (BDC)  and a target-ranging reticle that allows for accurate shooting at ranges up to 600 yards.

The 4x magnification is ideal for medium-range shooting and provides clear and crisp images of targets at distances up to 600 yards. The scope also features  Trijicon’s Bindon Aiming Concept (BAC) technology, which allows for both-eyes-open aiming. This feature is particularly useful for quick target acquisition, and it allows the shooter to maintain situational awareness while aiming.

Overall, this scope will perform exceptionally in hunting, target shooting, or engaging in tactical situations. Its rugged construction, clear optics, and BDC reticle make it one of the best for accuracy and shooting performance.

Specifications

  • Weight: 9.9 oz
  • Eye Relief: 1.5 in
  • Length: 5.8 in
  • Magnification: 4 x

Pros

  • Bullet Drop Compensating (BDC) and Bindon Aiming Concept (BAC)
  • Forged Aluminum construction
  • Automatic reticle illumination
  • Ability to shoot with both eyes open
  • Combat proven for years
  • Multi-coated lenses for maximized light-gathering
  • Heavy recoil resistant
  • Fixed-power design for minimal moving parts
  • Fogproof and waterproof performance

Cons

  • None

 

2) Trijicon ACOG 3.5×35 .223 Reticle Riflescope

Trijicon ACOG 3.5x35 .223 Reticle Riflescope

 

 

 

The Trijicon ACOG 3.5×35 Scope w/ TA51 Mount is designed with hard-to-beat durability. It is made of high-grade aluminum that is nearly indestructible. Several bumps and knocks will not result in a single scratch.

It is dry nitrogen-filled, preventing fogging and making it waterproof up to 100 feet. This connotes it will get the job done under all conditions.

The Trijicon ACOG’s glass is clear. In fact, the glass quality is excellent in practically any lighting situation, which is astonishing.

This is due to the reticle’s tritium/fiber optic illumination. This automatically adjusts the brightness to the surrounding ambient light.       Tritium at night and fiber optics during the day illuminate the reticle. Even better, batteries are not required, so whether day or night, you’ll never have to worry about running out of illumination in the middle of a hunt.

Additionally, the Trijicon ACOG incorporates the Bindon Aiming Concept, allowing you to operate this scope while keeping both eyes open. This greatly improves your field of view and enables you to use your peripheral vision more.

Specifications

  • Weight: 14 oz
  • Eye Relief:2.39 in
  • Length: 8 in
  • Magnification: 3.5 x

Pros

  • Aluminum alloy body
  • Multi-coated glass
  • Bindon Aiming Concept for both-eyes-shooting
  • Waterproof and fog proof
  • Adjustable illumination level depending on the shooting situation
  • Shockproof
  • Superior glass clarity
  • Illumination is independent of batteries
  • Fast target acquisition
  • Excellent visibility both day and night

Cons

  • Fixed eye relief can be limiting

 

3) Trijicon ACOG 3.5×35 .308 Reticle Rifle Scope

Trijicon ACOG 3.5x35 .308 Reticle Rifle Scope

 

 

The scope has a fixed-power construction that uses fewer moving parts to ensure a practically unbreakable sighting. Its waterproof and fogproof performance surpasses military standards. This speaks of how this scope is hard to beat. Nonetheless, the scope is shock resistant.

The multi-coated lenses and high-quality glass maximize light-gathering capability and provide a bright, distortion-free field of view.

Since the operation is battery-free, the scope is reliable regardless of the lighting condition. It features a tritium/fiber optic illuminated reticle with auto-brightness control that adjusts depending on the surrounding environment. There are six brightness levels, to be precise.

Specifications

  • Weight: 14 oz
  • Eye Relief:2.4 in
  • Length: 8 in
  • Magnification: 3.5 x

Pros

  • Crafted from aircraft-grade aluminum for optimal durability
  • Bindon Aiming Concept for enhanced situational awareness
  • Multi-coated lenses
  • Battery-free operation
  • Anti-reflective properties
  • Weather resistant
  • Lightweight and compact
  • Outstanding glass quality
  • Rugged build

Cons

  • None

 

4) Trijicon ACOG 4×32 .223 Reticle Riflescope

Trijicon ACOG 4x32 .223 Reticle Riflescope

 

 

Trijicon 4×32 ACOG boasts the best glass quality. The lenses are fully multi-layer coated to prevent glare and color distortion and provide a bright, crisp sight picture. A clear field of view with no distortion is guaranteed the high-quality glass and multi-coated lenses, which maximize light-gathering capability. Due to the dual fiber optic illumination and incredible light collecting, the optics are incredibly clear.

The scope’s durability is A-grade, so tough conditions outdoors will be the least of your worries. It is crafted from 7075-T6 aluminum to enhance durability. Besides, it is completely waterproof, fog-proof, and shockproof.

The scope gets the job done in all lighting conditions because it is non-reliant on batteries. It has solid, highly tactile hand-adjustable turrets that are built to last. You don’t have to be concerned about dropping your lens caps in the field because both turrets come with aluminum caps on cable lanyards.

It has tactile knobs that make zeroing effortless and maintains a tight zero.

Specifications

  • Weight: 17 oz
  • Eye Relief: 1.5 in
  • Length: 5.8 in
  • Magnification: 4 x

Pros

  • Bindon Aiming Concept allows both-eyes-open shooting.
  • Aircraft-grade aluminum construction
  • Fully multi-coated lenses
  • Battery-free operation
  • Easy-to-use illumination dial
  • Forwarded RMR mount
  • Military-standard durability
  • Remarkable glass clarity
  • Allows both-eyes-open shooting
  • Excellent light transmission
  • Easy to mount

Cons

  • None

5) Trijicon TA31RCO-M4 ACOG 4×32 USMC M4 Rifle Scope

Trijicon TA31RCO-M4 ACOG 4x32 USMC M4 Rifle Scope

 

The TA31RCO is devised for the M4 and M4A1 weapon systems. It uses tritium, which is self-luminous, along with fiber optics to provide dual illumination.

This enables battery-free illumination of the shooting location at all times. In complete darkness, the tritium illuminates the target, while in daylight, the fiber optic automatically adjusts the reticle’s brightness to the surrounding lighting.

You don’t have to worry about batteries running out of juice and ruining your hunt, as the scope is non-reliant on batteries.

The lenses are multi-coated to optimize light transmission, producing clear and sharp images. Couple that with the superior quality glass, and you get the best views ever viewed on an optic.

Elevation and windage adjustments are a breeze, with no tools needed. This is thanks to the external adjusters that allow waterproofing up to 11 meters without the caps.

Specifications

  • Weight: 15.1 oz
  • Eye Relief: 1.5 in
  • Length: 5.8 in
  • Magnification: 4 x

Pros

  • Waterproof, fog-proof, and shockproof
  • Multi-coated lenses
  • Battery-free
  • Bindon Aiming Concept
  • Fixed-power design enhances durability
  • Robust aluminum alloy body
  • High-quality glass
  • Allows both-eyes-open shooting
  • Adjustable brightness settings
  • Seamless windage and elevation changes

Cons

  • None

6) Trijicon ACOG TA02 4x32mm Riflescope

Trijicon ACOG TA02 4x32mm Riflescope

 

 

Great visibility is assured regardless of the lighting condition.  Through dual illumination, the Trijicon ACOG TAO2 4×32 scope is engineered to provide you with a clearly visible point of aim. This is thanks to the tritium and fiber optic technology that powers the reticle.

The riflescope needs to be powered by a battery. Considering that just one AA battery is needed, this shouldn’t be a problem. This can last an impressive 12,000 hours on a full charge.

It has an adjustment range of 0.5 MOA and is made for 5.56x45mm NATO ammunition. This 1.5-inch eye relief, shock, fog, and waterproof scope comes with a TA51 mount attachment.

It is made of premium forged aluminum and has a 32mm tube. Although small and lightweight, its construction will endure harsh field use’s expected wear and tear.

Specifications

  • Weight: 18.1 oz
  • Eye Relief: 1.5 in
  • Length: 6 in
  • Magnification: 4 x

Pros

  • Bindon Aiming Concept
  • Waterproof, fog-proof, and shockproof
  • Premium aluminum construction
  • Easy-to-use brightness dial
  • 32mm tube
  • It runs on a single AA battery
  • Multi-coated for excellent light transmission
  • Lightweight and compact
  • Requires no batteries
  • Extremely durable
  • Impeccable visibility in all lighting conditions
  • Compatible with night vision

Cons

  • Small eye relief

 

7) Trijicon 4×32 ACOG ECOS Riflescope

Trijicon 4x32 ACOG ECOS Riflescope

 

 

For both close-quarters combat and long-range shooting where accuracy and precise bullet placement are necessary, the Trijicon ACOG ECOS is the best sight.

This optic can tackle demanding missions like a pro without impeding your mobility, thanks to its forged aluminum housing. Regardless of the lighting condition, the battlefield has a bright aiming point thanks to bright tritium and fiber optic illumination.

The ECOS also has external windage and elevation adjusters, which makes it waterproof up to 11m without caps and eliminates the need for tools for windage and elevation changes.

The lenses are multi-coated to enhance light transmission leading to bright, sharp, and clear images. The scope is nevertheless waterproof to 100 meters, fogproof, and shockproof.

Specifications

  • Weight: 14 oz
  • Eye Relief:1.5 in
  • Length: 6.2 in
  • Magnification: 4 x

Pros

  • Forged aluminum construction
  • Toolless windage and elevation adjustments
  • Multi-coated lenses
  • Waterproof, fog proof, and shockproof
  • Bindon Aiming concept
  • Completely battery-free
  • Durable build
  • Decent image clarity
  • Lightweight

Cons

  • Short eye relief

 

How far Can you Shoot with an ACOG?

As a general guideline, ACOGs are often used effectively at distances ranging from 100 to 800 meters, with some models capable of engaging targets at even longer ranges. With most ACOGs featuring a 4x fixed magnification, you can shoot up to 400 yards with ease.

Factors to Consider when Choosing the Best ACOG Scope

  1. Magnification

Since the magnification of all ACOG scopes is fixed, you should decide what distances you shoot at frequently. Those who want to shoot short- to medium-range targets should choose a lower magnification. Long-range shooters should use higher magnification power.

  1. Battery

Most ACOG models don’t need batteries to operate. They have been built to use unique tritium and fiber optic technology. The fiber optic element provides extremely dependable daylight lighting. The tritium function illuminates the reticle at night, in poor light, or even in complete darkness.

If you choose a battery-operated illumination, find out how long it will last on a single charge and buy extra batteries as a backup.

  1. Eye relief

When using powerful weapons, eye relief must be taken into account. Low eye relief might be great if you always have a vice-like grip when you fire your weapon. However, most shooters should stick to the side of caution, especially newbies.

You’ll be much more at peace if you select a scope with good eye relief. Moreover, it lowers your risk of getting a scope bite.

  1. Reticle color

This will depend on your preferences and the shooting situation. Three colors are available from Trijicon. Red, green, amber or gold are the standard colors. Consider your shooting environment. The red reticles typically appear darker than the green and amber or gold reticles.

Best ACOG Scope FAQs

What is an ACOG scope?

An ACOG (Advanced Combat Optical Gunsight) scope is a type of rifle scope that was originally developed for the U.S. military. It is known for its durability, reliability, and high-quality optics.

What are the different models of ACOG scopes?

There are many different models of ACOG scopes available, each with its own unique features and specifications. Some of the most popular models include TA31, TA01, TA11, TA33, and TA44.

What is the magnification range of ACOG scopes?

ACOG scopes are typically available in magnification ranges from 1.5x to 6x, although some models may have higher or lower magnification ranges.

Are ACOG scopes expensive?

Yes, ACOG scopes are generally more expensive than other types of rifle scopes. They are designed for use in combat and extreme environments, which means they need to be built to very high standards of quality and durability.

Can ACOG scopes be used on different types of rifles?

Yes, ACOG scopes can be used on a variety of different rifles, including AR-15s, M4s, and other rifles that use a Picatinny or Weaver rail system.

Are ACOG scopes suitable for hunting?

ACOG scopes can be used for hunting, but they are typically designed for use in tactical and combat scenarios. For hunting, many hunters prefer a scope with a wider field of view and a lower magnification range.

What is the reticle on an ACOG scope?

The reticle on an ACOG scope is typically a chevron or horseshoe shape, with illumination powered by fiber optic and tritium. The reticle is designed to be used for quick target acquisition in fast-paced shooting scenarios.

Can ACOG scopes be zeroed at different distances?

Yes, ACOG scopes can be zeroed at different distances depending on the shooter’s preference and the type of rifle being used.

Conclusion

In conclusion, ACOG scopes are renowned for their durability, reliability, and high-quality optics. They are designed for use in combat and extreme environments, making them an ideal choice for military and law enforcement personnel, as well as hunters and shooting enthusiasts.

ACOG scopes are available in a variety of models, each with its own unique features and specifications. When choosing an ACOG scope, it’s important to consider factors such as the intended use, the type of rifle being used, and your budget.

With their fast target acquisition, battery-free operation, and exceptional optical quality, ACOG scopes are among the best rifle scopes on the market today.

Read Also: 11 Best LPVO Scopes(Budget,AR15,Hunting)