EOTech Sight Model Comparison Charts

Updated on September 3, 2018
Choosing what EOTech to get can be confusing. Learn how the different models measure up.
Choosing what EOTech to get can be confusing. Learn how the different models measure up.

What Are the Differences Between Models?

I was recently in the market for a new EOTech red dot sight, and I had a hard time finding an EOTech comparison chart that highlighted the differences between all of the models. After a ton of research, I came to find out that the differences boil down to a few things, such as:

  1. Reticles (i.e. a single 1-MOA dot to three 1-MOA dots)
  2. The type of battery
  3. Where the controls are located
  4. Night vision compatibility.

All EOTech Holographic Weapon Sights (HWS) come with the same legendary durability, precision, and proven military and law enforcement track record. Once I learned to navigate the mildly confusing world of EOTech models, I purchased an EOTech XPS-2, which I am extremely happy with. Hopefully, the following EOTech comparison charts will help you find the right model for your rifle, and you will be as satisfied as I am with the overall product.

Basic overview of the differences between the XPS and EXPS models.
Basic overview of the differences between the XPS and EXPS models.

Two Similar Models With Different Button Placements

The Eotech EXPS and XPS are the latest generation of EOTech holographic sights. These two options are very similar; the main difference is the side mounted buttons. They both feature a laterally mounted CR123 battery with various reticle options. The new mount of the battery creates a tighter more compact package that takes up less rail space. This can be a big win for rifles with limited mounting room or if you are planning to put other items, such as a backup sight or a magnifier, on the same rail.

The big difference between the EXPS and the XPS is that the EXPS has side-mounted buttons, which can be more convenient if you are planning to put a magnifier in front of your EOTech Holographic Weapon Sight. Both the XPS3 and the EXPS3 are night vision compatible.

The EOTech XPS model is a natural advancement from the EOTech Holographic Weapon Sight (HWS) line.
The EOTech XPS model is a natural advancement from the EOTech Holographic Weapon Sight (HWS) line.

The XPS Series Is An Improvement From The Holographic Weapon Sight Line

The EOTech XPS is the direct result of user feedback and is a natural advancement from the EOTech Holographic Weapon Sight (HWS) line. Critics of previous EOTech models cited a problem with the battery compartment, as it was in line with the recoil of the weapon and would cause issues with the connectivity of the battery after heavy use.

EOTech answered that problem with the XPS series and produced a battery compartment that is perpendicular to the weapon recoil, thus eliminating the battery issue and dramatically reducing the size of the sight. I personally own the EOTech XPS2-2 and love it—it sits on my rifle extremely easily. I lined the red dot up to my iron sights and then tweaked it minimally from there. The single dot with the 65 MOA circle make target acquisition very quick and it is no problem to shoot with both eyes open—I actually prefer it.

I have heard some folks say that the reticle is blurry; however, when you look through the sight, you have to focus on your target and not the dot. That is the key to a crisp sight picture. It sounds like a no-brainer, but you would be surprised by some of the things that people say on the web!

Feature
XPS Series
Optics
Transmission holography - parallax free
Magnification
1x
Eye Relief
Unlimited
Dimensions (l x w x h)
3.5"x 2"x 2.4" (88.9x50.86x60.96)
Weight
8 oz. (227 grams)
Temperature
-40º to 150ºF
Waterproof
XPS 2: submersible to 10 ft. depth, XPS 3: submersible to 33 ft.
Sealing
Fogproof internal optics
Adjustment (per click)
0.5 MOA (1/2" at 100 yds)
Adjustment Range
+/- 40 MOA travel
Mount
1" Weaver or Picatinny (MIL-STD-1913) rail
Return to Zero
Repeatable to 2 MOA after re-mounting
Night Vision Compatability
XPS2: none, XPS3: yes, with 10 additional settings
EOTech XPS Stats
 
EOTech XPS2-0
EOTech XPS2-1
EOTech XPS2-2
EOTech XPS3-0
EOTech XPS3-1
EOTech XPS3-2
Battery Type
Horizontally mounted CR123 battery (1)
Horizontally mounted CR123 battery (1)
Horizontally mounted CR123 battery (1)
Horizontally mounted CR123 battery (1)
Horizontally mounted CR123 battery (1)
Horizontally mounted CR123 battery (1)
Battery Life
600-hour battery life
600-hour battery life
600-hour battery life
600-hour battery life
600-hour battery life
600-hour battery life
Button Location
Buttons on the back of the HWS
Buttons on the back of the HWS
Buttons on the back of the HWS
Buttons on the back of the HWS
Buttons on the back of the HWS
Buttons on the back of the HWS
Night Vision Compatibility
No
No
No
Yes
Yes
Yes
MOA
Single 1 MOA dot with a 65 MOA circle
Single 1 MOA dot
Two 1 MOA dots with a 65 MOA circle
Single 1 MOA dot with a 65 MOA circle
Single 1 MOA dot
Two 1 MOA dots with a 65 MOA circle
EOTech XPS2 and XPS3 Comparison
The EXPS models have placement of the buttons on the left side.
The EXPS models have placement of the buttons on the left side.

The EXPS Series Has Different Button Placement

The EOTech EXPS series is very similar to the XPS series, with one major difference: button placement. As mentioned above, the EXPS models have placement of the buttons on the left side of the HWS instead of the rear-facing buttons of the XPS. Having the buttons on the side provides one advantage—if you are planning to mount a magnifier in front of your EXPS sight, the side buttons will make it easier to adjust the brightness of the sight and to turn it on or off. I own the XPS2-0 and plan on adding a magnifier, but I don't see a huge drawback with the rear-facing buttons.

Feature
EXPS Series
Optics
Transmission holography - parallax free
Magnification
1x
Eye Relief
Unlimited
Dimensions (l x w x h)
3.5"x2.4"x2.8" (91.4X 60.9x71mm)
Weight
11.2 oz (317grams)
Temperature
-40º to 150º F
Waterproof
EXPS 2: submersible to 10 ft. depth, EXPS 3: submersible to 33 ft.
Sealing
Fogproof internal optics
Adjustment (per click)
0.5 MOA (1/2" at 100 yds)
Adjustment Range
+/- 40 MOA travel
Mount
1" Weaver or (MIL-STD-1913) rail. Adjustable for width variation
Return to Zero
Repeatable to within 2 MOA after re-mounting
Night Vision Compatibility
EXPS2: none, EXPS3: yes, with 10 additional settings
EOTech EXPS Stats
 
EOTech EXPS2-0
EOTech EXPS2-2
EOTech EXPS3-0
EOTech EXPS3-2
EOTech EXPS3-4
Type of Battery
Horizontally mounted CR123 battery (1)
Horizontally mounted CR123 battery (1)
Horizontally mounted CR123 battery (1)
Horizontally mounted CR123 battery (1)
Horizontally mounted CR123 battery (1)
Battery of Life
600-hour battery life
600-hour battery life
600-hour battery life
600-hour battery life
600-hour battery life
Button Placement
Buttons on the side of the HWS
Buttons on the side of the HWS
Buttons on the side of the HWS
Buttons on the side of the HWS
Buttons on the side of the HWS
Night Vision Compatibility
No
No
Yes
Yes
Yes
MOA
Single 1 MOA dot with a 65 MOA circle
Two 1 MOA dot with a 65 MOA circle
Single 1 MOA dot with a 65 MOA circle
Two 1 MOA dots with a 65 MOA circle
Three 1 MOA dots with a 65 MOA circle
EOTech EXPS2 and EXPS3 Series

Non-EXPS/XPS Models Can Use AA Batteries

The original models of EOTech sights are slightly larger due to the orientation of the battery and the type of batteries that they use, ranging from AA batteries to a forward mounted CR123 battery. Again, the main differences are the battery type, the placement of the controls, and the night vision compatibility features.

These EOTech sights are the ones that you will most often see on military weapons and law enforcement rifles. There are some options to look at on these sights. The ready availability of AA batteries may be something that you want to consider; however, it must be calculated against the extra weight and rail space that they take up.

Basic overview of non-XPS/EXPS sights: 512, 516,517,552,553, and 556.
Basic overview of non-XPS/EXPS sights: 512, 516,517,552,553, and 556.

What Is an MOA and Why Does It Matter?

If you have been researching the EOTech HWS, you will see the reticle described as being a 1 MOA dot with a 65 MOA Circle. The "MOA", or minute of angle, is used to describe the amount of viewing space that the reticle will cover on your target at 100 yards. Since 1 MOA equals roughly 1 inch of distance at 100 yards, a 1 MOA dot will cover roughly a 1-inch diameter spot on your target at 100 yards. At 25 yards, it will cover a 1/4 of an inch on the target. The 65 MOA circle will cover a 65-inch diameter circle at 100 yards and a 16.5-inch circle at 25 yards, which is excellent for quick target acquisition for CQB.

A small 1 MOA dot is great for both CQB and distance. There are some red dot sights on the market that have up to a 6 MOA dot, which is good for close range but not as effective at distances past 100 yards. Think about it—if you were making a shot at 300 yards with a 6 MOA dot, your dot would cover 18 inches of your intended target. It is hard to be accurate from long distances with a dot that large.

Was this Helpful?

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    • profile image

      Cubefarmer 

      9 months ago

      I prefer Aimpoint any day. I do like the flip up magnifier though.

    • profile image

      kdawg 

      13 months ago

      Thanks, helped me out a ton. :-)

    • profile image

      BGS 

      14 months ago

      Thank you. Very helpful

    • profile image

      TW 

      22 months ago

      Very helpful. I understand the differences between the sights and can make an informed decision.

    • profile image

      Mike Sliff 

      3 years ago

      A great writeup, I'm looking at red dots and always was confused by all the eotech models, and this helped a lot. Thanks so much!

    • profile image

      John 

      3 years ago

      The EXPS sits higher than the XPS also.

    • profile image

      Spelling guy 

      4 years ago

      It's sight, not site...

    • profile image

      anonymous 

      5 years ago

      Very helpful. Thank you.

    • profile image

      anonymous 

      5 years ago

      Great job! Thanks for taking time to help others.

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