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EOTech EXPS3 HWS
The EXPS3 is the holographic optic people land on when they want three things to be true at the same time: it works with night vision, it mounts fast with a built-in QD lever, and it’s set up for a clean lower 1/3 co-witness height without extra risers.
The quick pitch
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Night vision compatible with 20 daylight settings plus 10 additional NV settings (Gen I through III+).
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7mm raised QD base designed for lower 1/3 iron sight co-witness.
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Side buttons that stay accessible when you’re running a magnifier.
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CR123 power and a listed 1,000 hours of continuous runtime at nominal setting 12 at room temp.
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Water resistant to 33 ft (10 m) and rated for -40°F to 140°F operating temps.
What makes the EXPS3 feel different in use
Two eyes open is the whole point. The window and reticle are built around speed and awareness, so you can stay target-focused and still keep the reticle where you want it.
It’s also built to stay in the fight. EOTech calls out the HWS’s ability to keep performing even if the window is damaged or obscured, plus a design that minimizes parallax by projecting the holographic reticle at distance.
Pick the reticle that matches your job
If you’re deciding between models, this is usually the make-or-break section.
0 reticle (68 MOA ring + 1 MOA dot)
The classic “speed ring.” Fast up close, surprisingly precise when you settle into the dot, and the reticle guide notes it provides multiple usable aiming points.
1 reticle (1 MOA dot only)
If you prefer a simpler sight picture (more like a traditional dot) but still want the holographic benefits and big window.
2 reticle (two-dot pattern)
Made to be distinguishable with or without magnification, with multiple usable aiming points based on the referenced load in EOTech’s reticle guide.
4 reticle (ballistic multi-dot)
Optimized around 5.56 NATO/.223 with 62gr M855 from a 14.5" barrel, and EOTech notes the dots may not be clearly distinguishable without magnification.
DCR reticle
A ring with a top cutout plus a bottom chevron meant to give a fast close-range solution while keeping confident aiming points out to distance (per the reticle guide’s 50-yard zero reference).
Specs people actually care about
- Size: 3.8" x 2.3" x 2.9"
- Weight: 11.2 oz
- Mount: 1" Weaver or MIL-STD-1913 rail
- Adjustments: 0.5 MOA per click
- Brightness: 20 daylight + 10 NV settings
- Power: 1x CR123
- Battery life: 1,000 continuous hours at nominal setting 12 at room temp
- Water resistance: 33 ft (10 m)
- Operating temp: -40°F to 140°F
- Country of origin: Made in USA
What’s in the box
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Optic
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CR123 battery
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Warranty card
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Quick start guide
Warranty and credibility signals
The EXPS3 product page calls out a 10-year warranty and notes the HWS line being awarded “Close Combat Optic” for USSOCOM.
For the warranty terms breakdown (including coverage structure), EOTech’s warranty info page provides the details.
FAQ
Is the EXPS3 night vision compatible?
Yes. It includes 20 daylight settings plus 10 additional settings intended for Gen I through III+ night vision devices.
What battery does the EXPS3 use?
One CR123 battery.
How long is the battery life?
EOTech lists 1,000 continuous hours at nominal setting 12 at room temperature.
Is it waterproof?
It’s rated water resistant to 33 ft (10 m) depth.
Will it fit a Picatinny rail?
Yes. The mount is listed for 1" Weaver or MIL-STD-1913 rails.
What does “lower 1/3 co-witness” mean here?
EOTech describes the EXPS3 as using a 7mm raised QD base intended for lower 1/3 iron sight co-witness, so your irons sit in the lower portion of the optic window instead of dead center.
Which reticle should I choose if I’m adding a magnifier?
If you want hold points and you’ll actually use magnification, the reticle guide notes the 4 reticle is optimized around a ballistic setup and also mentions the dots may not be clearly distinguishable without magnification.
| Specifications | |
|---|---|
| Length: | 3.8 in (96.5mm) |
| Width: | 2.3 in (58.4mm) |
| Height: | 2.9 in (73.7mm) |
| Weight: | 11.2 oz (317.5g) |
| Mount: | 1" Weaver or Mil-Std 1913 rail |
WARNING: This product can expose you to Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to - www.P65Warnings.ca.gov.
Customer Ratings & Reviews
Ratings Snapshot
out of 5
5
(18)
4
(2)
3
(0)
2
(0)
1
(1)
Would recommend this product.
95.2%
out of 5
5
(18)
4
(2)
3
(0)
2
(0)
1
(1)
Would recommend this product.
95.2%
EOTECH EXPS3 REVIEW
Elliott
Location:
Date:
October 21, 2023
EOTech is a renowned brand, and I've been eager to test out this holographic sight. Just to clarify, I purchased this optic myself; there's no sponsorship from EOTech. I'm just a regular guy, passionate about the Second Amendment, aiming to provide insights on gear like this to help you make informed decisions. A shoutout to Kur Ammo for supporting the channel by providing the 5.56 ammo I used for testing. If you're interested in purchasing ammo, there's a discount code "DELP10" that can save you $10 on your first order at LA Police Gear. The EOTech EXPS3 is one of the brand's newer models, retailing around $800. It's a holographic red dot sight with 20 brightness settings and 10 night vision settings. The optic also boasts a quick detach mount, making it easy to attach or remove from your firearm. The reticle options vary, but I went with the single dot version. The optic's build quality is top-notch, but I did find the dot slightly fuzzier than expected for its price point. I primarily tested the EOTech on my Stag pistol, a 10.5-inch 5.56 pistol. The sight performed exceptionally well, but its best application would be for close-quarters scenarios or slightly extended ranges, especially when paired with a magnifier. In conclusion, the EOTech EXPS3 is a reliable choice for those looking for a dependable optic for their firearms.
Recommended
Eotech exps3-4 bdc tested!
MMM
Location:
Date:
October 21, 2023
In my experience, an AR carbine equipped with a 1x optic and magnifier is incredibly versatile. I'm curious about your thoughts, so drop them in the comments. Personally, I find this setup perfect for an AR carbine. With the magnifier flipped, you can swiftly and effectively shoot up close on 1x. Flip the magnifier back, and you can zoom in, identifying targets and even taking shots up to 600 yards. I tested the EOTech exp3-4, which has bullet drop compensation dots calibrated for a 14.5-inch AR. While I've used EOTech for close-range shots, pushing it to its maximum calibrated distance was a new challenge. In my test, I found the BDC in the EOTech to be quite accurate, especially when paired with the right ammunition. The only challenge was accounting for windage, as the reticle doesn't provide markers for that. Overall, this setup offers a fantastic blend of close and long-range capabilities.
Recommended
I wanted a compact holographic sight
Joe
Location:
Date:
August 27, 2021
I wanted a compact holographic sight that would fit on my AR57 upper; this one provides in the limited space without getting in the way the magazine. I would also recommend going with only a single dot.
Recommended
"Lightning Fast"
Alfi
Location:
Date:
August 27, 2021
I use this on a rifle length ar for fast target acquisition. Much faster than Aimpoint. Both eyes open. Easy to install and remove. It maintains zero even if you pull it off and put it back on. Lower 1/3 co-witness. Leaves more rail space—visible day or night. Where the small red dot goes, that is where the bullet goes. Clean it with water, and it still works. The placement of the controls on the side makes it easier to adjust if you plan to use a G33 magnifier or NVG. The batteries don't last long as Aimpointbut is still a great product.
Recommended
Nice for beginners
Carp
Location:
Date:
August 27, 2021
In the 12 year's I have been shooting ARs, I have found everything eotech to be absolutely perfect for beginning shooters. Along side with iron sights, red dots make learning the rifles capabilities at close quarter combat, and slight long range easy to handle. As I have progressed in shooting, my next set up will be and lpvo at 12 oclock with a canted redot. The eotech is hard to kill though. Mine has seen rain, heat, snow and 10 degree weather in February. They hold a zero and perform. Buy once, and cry once, fix NEVER. Socom has picked this sight for cqb, and has been proven in the field and is probably right up their with the number of people put in the ground by say an acog. Don't be that person that builds a nice build, and then goes cheap on an optic, I trust this enough to go in to 10 feet of water and cross a pond and come out shooting without a single hiccup or malfunction...
Recommended
Great sight. Quick realease is awesome.
Shawn
Location:
Date:
August 27, 2021
Great sight. Quick release is fantastic. I can trade this out with my scope on a quick-release mount as well. The best of both worlds that way. Quick on target. If you are considering one, buy it. You'll like it!
Recommended
Tried and true
Davis
Location:
Date:
August 27, 2021
Like most Americans, I have an AR, and on my rifle, I have an EOTech. I have used other optical sights, and they do work. But the way the radical is set up in the EOTech works better for me. There are many discussions over battery life and the auto-off function; because I know these things could cause a potential problem, I plan accordingly, and it has never been an issue. The new, more compact design is a win, in my opinion, and only having to change one cr123 battery is also a clear improvement in my opinion. The ability to brighten the object to your relative light conditions it is also outstanding as it is with some other illuminated sight. When looking directly at the radical image, it does seem a bit fuzzy, but it clears up as soon as you look past it to your target. The night vision setting is also very nice on this sight, but I don't use it very much. I also run a six-power magnifier with this site for extended ranges, and it works exceedingly well. The bottom line is you should not buy a sight based on a review or the claim that you can leave it on for ten years. This review should serve as a recommendation for a product that is worth looking at in person. By the site that will work best for you, if you can't afford it, save your money. Happy shooting
Recommended
GREAT sight!!
Ron
Location:
Date:
August 27, 2021
I've tried all the cheap red dots. They all have a tint on the glass which makes the image darker & unacceptable for twilight hunting. The Eotech has no tint on the glass & the dot shows up great all the time. & having the NVD mode is an added plus. The only downside is that it is a pricey optic.
Recommended
Best shop to find a Eotech exps3 for sale at a good price.
Shawn
Location:
Date:
February 22, 2021
Great sight. The quick release is fantastic. I can trade this out with my scope on a quick release mount as well. The best of both worlds that way. Quick on target. If you are considering one, buy it. You'll like it!
Recommended
Defective
Anonymous
Location:
Date:
January 22, 2021
The reticle was barely visible in normal mode but seemed to be fine in night vision mode. Had to ship it to EOTech upon arrival.
Verified Buyer
EOtech EXPS3-4
Chris
Location: CA
Date:
November 17, 2020
The EXPS3-4 came with the Picatinny QD mount and it fit flawlessly with my Aeroknox Upper Receiver. The Holo operated great on my first range day with it. Love the hard case it came with. Looking forward to get the G34 soon with it. When I purchased the Holo, it said backordered and I was fine with waiting it out. Surprisingly got an email from MSP within a few days and notified my that the sight was enroute.
Verified Buyer
Recommended
My EOTech EXPS3 review
Richard
Location:
Date:
December 5, 2019
Living in South Texas, I purchased this unit mainly for home defense and close encounters (hogs and other predators) when/if needed. I mounted it on a 5.56 AR and zeroed it in at 25 yards using 77-grain match grade ammunition. Adjustments are easily made during zero, and the three shots groups could be covered with a quarter - where the red dot is, there goes the bullet. The unit is compact, not taking up a lot of rail space, and with the QD, I can quickly go to iron sights or mount my extended scope in a matter of seconds.
Recommended
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