Difference Between Aimpoint M2 and M3 Aimpoint

Comparisons, Knowledgebase

Last Updated on November 25, 2022 by mdmtool

The Aimpoint M2 and M3 are famous red dot sights that shooters often use. Both sights have their unique features, but there are some differences between these two models.

What Is Aimpoint M2?

aimpoint m2

Aimpoint M2 is a red dot sight produced by the Swedish company Aimpoint. It was introduced in 2000 and is an update to the original Aimpoint CompM series sights. The main difference between the M2 and earlier models is that the M2 has a slightly wider field of view.

What Is Aimpoint M3?

Aimpoint M3 is a red dot sight was introduced in 2005 and is an update to the Aimpoint M2. The main difference between the M3 and earlier models is that the M3 has a slightly longer battery life. Both sights are used by military and law enforcement personnel around the world.

Comparison Between Aimpoint M2 And M3 Aimpoint

Technology: The M2 uses CET, Circuit Efficiency Technology; M3 uses ACET, Advanced Circuit Efficiency Technology.

Battery Type: The M2 uses a CR2032 battery; the M3 uses an AA battery.

Size And Weight: The M2 and M3 sights are similar in size and weight.

Weight: The M2 weighs 7.0 ounces; the M3 weighs 7.8 ounces.

Dimensions: The M2 is 5.1 inches long and 2.2 inches wide, and 2.2 inches Hight; the M3 is 5.1 inches long, 2.2 inches wide, and 2.2 inches Hight.

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Battery Life: The M3 has a longer battery life. The M2 has a battery life of up to 10,000 hours, while the M3 has a battery life of up to 50,000 hours.

Configuration: The M2 and M3 sights are available in several different configurations. 2 MOA dot sight is the most popular among them.

Reticle And Lens Clarity: Both sights have a clear reticle and lens. The red dot is easy to see, even in bright sunlight.

Reticle: TheAimpoint M2 has a 2 MOA dot reticle. The Aimpoint M3 has a 4 MOA dot reticle. Aimpoint M3 has a larger dot size than Aimpoint M2.

Dot Size: Aimpoint M3 has a larger dot size than Aimpoint M2. The red dot size for the Aimpoint M2 is 2 MOA “Minute of Angle,” while the red dot size for the Aimpoint M3 is either 2 minute of angle or 4 MOA dot.

Mount: The Aimpoint M3 comes with a quick-detach mount. Aimpoint M2 does not come with a quick-detach mount.

Field Of View: Aimpoint M3 has a wider field of view than Aimpoint M2. Aimpoint M2 has a field of view of 30 yards; on the other hand, M3 has 40 yards.

Brightness Settings: Aimpoint M3 has more brightness settings than the Aimpoint M2. The Aimpoint M2 has eight brightness settings, and the Aimpoint M3 has ten brightness settings.

Extra Good: Both sights come with a lens cover, mount, and adjustment tools. The Aimpoint M3 also comes with a spacer for co-witnessing iron sights.

Water resistance And submersible: Both sights are waterproof and submersible. Aimpoint M2 is water resistant to a depth of 25 m(80 feet). Aimpoint M3 is water resistant to a depth of 45 m(147 feet).

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Parallax: Both sights are parallax free.

Durability And ToughnessBoth sights are made from high-quality materials and are built to last. Aimpoint sights are known for their durability and toughness.

Ease Of Use: Both sights are easy to use. They have large buttons and an intuitive user interface.

Price: The M2 and M3 sights are both high-quality products with a premium price tag.

Advantages / Disadvantages

Advantages Of M2 Aimpoint

  • Lighter weight
  • Smaller and more compact

Advantages Of M3 Aimpoint

  • Longer battery life
  • Larger dot size
  • Wider field of view
  • More brightness settings
  • Higher water resistance
  • Comes with a spacer for co-witnessing iron sights

Disadvantages Of M2 Aimpoint

  • More expensive

Disadvantages Of M3 Aimpoint

  • Heavier weight


I’Ve Heard That The M2 Is Being Phased Out. Is This True?

Yes, Aimpoint is gradually phasing out the M2 in favor of the M3. However, there are still a few M2 sights available on the market.

Why Is The M3 Better Than The M2?

While the M2 is an incredible sight, the M3 does offer some advantages. The main advantage is that it is compatible with all night vision devices, whereas the M2 is only compatible with certain generations. Additionally, the M3 has an improved optical lens that provides a more precise sight picture.


Aimpoint M2 and M3 Aimpoint are highly rugged and reliable, offer excellent battery life, and are suitable for various applications. Both sights use red dot technology, which helps them to project a red dot onto the target, making it easier to aim. If you are looking for a sight for general use, either would be a great choice. Whichever you choose, you will get an incredible sight.

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