Aimpoint ACO vs Aimpoint PRO: Which Red Dot Sight Reigns Supreme?

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Aimpoint ACO vs Aimpoint PRO Comparison

When it comes to red dot sights, Aimpoint reigns supreme. But with two popular options like the Aimpoint ACO vs PRO, choosing the right one can be a challenge. This comprehensive comparison dives deep into their features, applications, and value to help you make an informed decision.

About Aimpoint ACO red dot sight

Aimpoint ACO red dot sight

The Aimpoint ACO is a red dot sight known for its lightweight design, long battery life, and clear 2 MOA red dot reticle. It’s a popular choice for target shooting, hunting, and home defense, appealing to both civilian and professional users.


  • Lightweight: With its polymer housing, the ACO weighs only 10.6 ounces, making it comfortable for extended use.
  • Long Battery Life: A single DL1/3N battery provides up to 1 year of constant-on use.
  • Clear Reticle: The 2 MOA red dot reticle offers a precise aiming point without obscuring the target.
  • Waterproof: The ACO is IPX7 waterproof, meaning it can withstand submersion in water up to 1 meter for 30 minutes.
  • Quick Detach Mount: The included QD mount allows for quick and easy installation and removal from your firearm.
  • Night Vision Compatibility: While not offering dedicated night vision settings, the ACO’s low-light brightness setting allows for use with night vision devices in limited light conditions.

About Aimpoint PRO red dot sight

Aimpoint PRO red dot sight

The Aimpoint PRO red dot sight is a popular choice among both civilian and professional shooters alike. It is known for its ruggedness, reliability, and ease of use.


  • 2 MOA red dot reticle: The 2 MOA red dot is ideal for fast target acquisition and is accurate for both close-quarters and longer-range shooting.
  • Long battery life: The Aimpoint PRO boasts a 3-year battery life on a single AA battery, making it one of the most energy-efficient red dot sights on the market.
  • Night vision compatible: The Aimpoint PRO has 4 night vision compatible settings, making it a great choice for low-light shooting.
  • Durable construction: The Aimpoint PRO is built to withstand the harshest conditions. It is water-resistant, shockproof, and fogproof.
  • Easy to use: The Aimpoint PRO is designed to be simple to use, with large buttons and a straightforward interface.
  • QD (Quick Detach) mount: The Aimpoint PRO comes with a QD mount that allows you to quickly and easily remove the sight from your firearm.

Quick Aimpoint ACO vs Aimpoint PRO comparison table

Feature Aimpoint ACO Aimpoint PRO
Optical System Red Dot Reflex Sight Red Dot Reflex Sight
Magnification 1x 1x
Reticle 2 MOA dot 2 MOA dot
Brightness Settings 10 settings (including NV) 4 NVD settings, 6 daylight settings
Battery Life Up to 10,000 hours (1 CR2032) Up to 30,000 hours (1 DL1/3N)
Mounting Integral Picatinny mount QRP2 mount
Additional Features Fixed height mount Enhanced lens covers, modular mount
Waterproof Yes, submersible to 15 feet Yes, submersible to 150 feet
Weight Approx. 7.8 oz (with mount) Approx. 11.6 oz (with mount)
Length 5.1 inches 5.1 inches
Material High-strength aluminum High-strength aluminum
Night Vision Compatibility Yes Yes

Aimpoint ACO vs Aimpoint PRO Comparison

Aimpoint ACO vs Aimpoint PRO Comparison

Magnification and Reticle

Both ACO and PRO boast a fixed 1x magnification, ideal for fast target acquisition and situational awareness. They also share the same 2 MOA red dot reticle, providing a perfect balance of precision and speed.

Housing and Dimensions

The ACO boasts a lightweight and compact polymer housing, making it perfect for weight-conscious users. In contrast, the PRO features a more robust and durable aluminum housing, catering to military and law enforcement professionals.

Battery Life and Illumination

The ACO boasts a respectable 1-year battery life with a low-light brightness setting. The PRO takes things up a notch with a 3-year battery life and actual night-vision compatibility, making it a better choice for low-light situations.

Mounting Options

Both sights offer QD (quick detach) mount compatibility, allowing for quick and easy installation. However, the PRO’s mount is known for its superior return-to-zero capabilities, ensuring consistent accuracy after reattachment.

Durability and Water Resistance

The PRO’s rugged aluminum housing and IPX7 waterproof rating make it the clear winner in this category. It’s built to withstand even the harshest conditions, ensuring reliable performance in any environment.

Applications and Intended Use

The ACO’s lightweight design and civilian-friendly features make it ideal for target shooting, hunting, and home defense. The PRO’s superior durability and night-vision compatibility make it a favorite among military and law enforcement personnel.

Price and Value

The ACO comes in at a more budget-friendly price point, making it a great option for value-conscious users. However, the PRO’s superior durability, night-vision capabilities, and return-to-zero mount justify its slightly higher price tag for demanding users.


Choosing between the Aimpoint ACO vs PRO ultimately depends on your individual needs and budget. If you prioritize weight and affordability, the ACO is a solid choice. However, if you value durability, night-vision compatibility, and superior mounting, the PRO is the clear winner.

Last Updated on December 6, 2023 by

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