Shooting SuppliesEotechSold by Fin Feather Fur Outfitters

Eotech

Eotech HWS EXPS3-0 1-Red Dot Speed Ring Black

Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.

True Two-eyes-open

Shooting for fast target acquisition

Night Vision

10 additional settings for Gen

20 Daylight

Brightness settings for flexible use

7mm Raised

Quick-detach base for lower 1/3

Mounts 1"

Weaver or MIL-STD-1913 rail

$815.00
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SKU: EXPS30-672294600336

Overview

Built for professional use, this optic is designed for fast target acquisition with true two-eyes-open shooting and a 1-red dot speed ring. It includes night vision-compatible settings and a 7mm raised quick-detach base that supports lower 1/3 iron sight co-witness. The unit mounts to 1" Weaver or MIL-STD-1913 rails and offers 0.5 MOA windage and elevation adjustments, along with 20 daylight brightness settings and 10 additional settings for Gen I through III+ night vision devices. At 11.2 oz, it is a compact, rail-mounted option for hunters and shooters who want a purpose-driven sighting system with flexible brightness control.

Why Hunters Choose the Eotech

True Two-eyes-open

Shooting supports fast target acquisition

Night Vision

10 additional settings for Gen

20 Daylight

Brightness settings provide broad adjustment

7mm Raised

Quick-detach base supports lower 1/3

Mounts 1-inch

Weaver or MIL-STD-1913 rails

Key Features

  • True two-eyes-open shooting for fast target acquisition.
  • Night vision compatible with 10 additional settings for Gen I through III+ devices.
  • 20 daylight brightness settings for flexible use.
  • 7mm raised quick-detach base for lower 1/3 iron sight co-witness.
  • Mounts to 1" Weaver or MIL-STD-1913 rail.
  • Windage and elevation adjust in 0.5 MOA per click.
  • Powered by one CR123 battery.

Best Used For

  • Hunters and professionals needing true two-eyes-open shooting for fast target acquisition
  • Users working in low-light conditions who need night vision compatible settings
  • Shooters using 1" Weaver or MIL-STD-1913 rails and lower 1/3 iron sight co-witness
  • Those who want a quick-detach optic setup for frequent mounting and removal
  • Serious users who prefer a compact, professional-grade holographic sight

Specifications

Brightness Settings20 daylight settings; 10 additional settings for Gen I through III+ night vision devices
Country Of OriginMade In USA
Dimensions3.8" x 2.3" x 2.9" (96.5 x 58.4 x 73.7 mm)
Elevation Adjustment0.5 MOA per click
Lower 13 Iron Sight Co WitnessYes
Mount1" Weaver or MIL-STD-1913 rail
Night Vision CompatibilityYes
Power Source1 x CR123 battery
Quick Detach Base7mm raised quick detach base
Two Eyes Open ShootingYes
Weight11.2 oz (317.5 g)
Windage Adjustment0.5 MOA per click

Pros

  • True two-eyes-open shooting supports fast target acquisition.
  • Night vision compatible with 10 additional settings for Gen I through III+ devices.
  • 20 daylight brightness settings provide broad adjustment range.
  • 7mm raised quick-detach base supports lower 1/3 iron sight co-witness.
  • Mounts to 1-inch Weaver or MIL-STD-1913 rails.
  • 0.5 MOA windage and elevation clicks allow precise adjustment.

Considerations & Trade-offs

  • The 7mm raised quick detach base is set up for lower 1/3 iron sight co-witness, so it may not match every preferred sight height or backup sight arrangement.
  • Night vision compatibility is included, but using those settings adds another layer of setup and may be unnecessary for hunters who only shoot in daylight.
  • The unit is compact, but at 11.2 oz it still adds noticeable weight to a rifle compared with simpler sighting options.
  • It uses a single CR123 battery, so ongoing use depends on carrying the correct spare power source.

Suggested Comparisons

  • Red dot sights
  • Night vision compatible optics
  • Quick-detach optic mounts
  • Lower 1/3 co-witness optic setups

Suggested Accessories

  • Red dot optic mount
  • CR123 battery
  • Lens cleaning kit
  • Protective optic cover

Frequently Asked Questions

Is the HWS EXPS3-0 compatible with night vision use?

Yes. The product data lists night vision compatibility and notes 10 additional settings for Gen I through III+ night vision devices.

What type of rail does this sight mount to?

It mounts to a 1" Weaver or MIL-STD-1913 rail.

Does this optic support lower 1/3 co-witness with iron sights?

Yes. The description says it uses a 7mm raised quick detach base for lower 1/3 iron sight co-witness.

How is the reticle intended to be used for target acquisition?

The product is described as supporting true two eyes open shooting for fast target acquisition.

What power source does the EXPS3-0 use?

It uses 1 x CR123 battery.