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EOTech HHS1 EXPS3-4 HWS, G33 Magnifier


with quick detach STS mount

Financing Available at Checkout

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The EXPS3-4 has been developed to optimize the functionality of the HWS. The buttons have been moved from the back to the left side for instant access, allowing a magnifier, night vision, or a back up iron sight to fit closely to the HWS body. This new button position allows the user to operate the HWS function switches easier than ever before. The battle tested circle/dot reticle will be offered along with a series of 1 MOA aiming dots that are vertically aligned and calibrated specifically for the ballistic drop of .223 caliber ammunition. The reticle provides 4 aiming dots for target distances of 0-300m, 400m, 500m, and 600m. The use of a magnifier is strongly recommended. - Single transverse 123 battery to reduce sight length- Ballistic reticle specific to .223 caliber munitions- Compatible with Gen I-III+ Night Vision Systems (tandem operation)- Shortened base only requires at most 2 3/4 inch of rail space - Battery cap and latch are eliminated and replaced with a simple O-ring, tethered cap; better sealing is achieved- Battery compartment is now separated from the base to allow it to hover over the delta ring of the rifle- Average battery life at brightness level 12 is roughly 500-600 hours- Side buttons, NV compatible with a single quick detach throw lever.


  • Magnification Range:1x
  • Power Supply:(1) 123 lithium battery
  • Dimensions:8.1"x 2.2"x2.8" (Length/Width/Height)
  • Weight:23.1 oz
  • Reticle Details68 MOA Ring w/ 1 MOA Ballistic Dots
  • Battery Life:600 continuous hours at nominal setting 12
  • Battery TypeCR123A
  • Product TypeHolographic Sight
  • Brightness Settings10 NVD 20 Regular
  • Night Vision CompatibleYes
  • Item ConditionNew
  • UPC672294570295

Customer Reviews

Average Rating
December 15, 2016

Eotech EXPS3-4 with G33 Magnifier in the right hands is a great set-up . Extremely accurate and worth every penny .

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January 9, 2022

Eotech for the win with helmet mounted NODS. The 4 aiming dots are a blur until the magnifiers in place at which point it becomes very well defined and crisp. The 3x optics are top tier, eye relief is a non-issue for me. The unity tactical fast mounts are a superb upgrade and preferred for a heads up view. The stock flip mount is robust, but I do prefer the unity setup.

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February 23, 2023

Their customer service is second to none.

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January 11, 2023

Excellent sighting system especially for night vision. Shipping was fast and secure.

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December 13, 2022

Great combo on my SBR. Magnifier has very clear glass. Will grab another set for another rifle.

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May 28, 2022

I watched many reviews from those who have considerably more shooting experience than myself. Based on my intended use this product fit my needs the best. Your price and prompt delivery made it an easy decision.

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July 28, 2013

The best sighting system available to the public.

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December 18, 2012


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