Holosun HE403B-GR 2 MOA Green Dot 20mm Micro Reflex Sight FDE HE403B-GR-FDE




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Holosun HE403B-GR-FDE 2 MOA Green Dot 20mm Micro Reflex Sight FDE

The Holosun HE403B-GR 2 MOA Green Dot 20mm Micro Reflex Sight HE403B-GR-FDE is designed for rifle and carbine applications. With its Green Super-LED technology, this sight features a precise 2MOA dot, providing exceptional visibility with 10 daylight and 2 night vision compatible reticle intensity settings. Crafted with durability in mind, the housing is constructed from 6061 aluminum, and it includes both a lower 1/3 co-witness mount (1.63”) and a low mount (.75”) for versatile applications. Additional highlights encompass advanced features like Shake Awake technology, digital buttons for setting adjustments, rubber lens covers for protection and a convenient side-mounted battery tray designed for the 2032 battery. The Holosun HE403B-GR-FDE stands as a versatile and user-friendly micro-reflex sight, catering to shooters of all experience levels.

The Holosun 403 Series Red Dot Sights represent a line of advanced Holosun Reflex Sights designed for rifle and carbine applications. These Holosun Micro Reflex Sights feature a unique combination of solar and battery power, utilizing a 50,000-hour Red Super LED. With 10 daylight and 2-night vision compatible reticle intensity settings, a robust 6061 aluminum housing, and versatile mounting options (including lower 1/3 co-witness and low mounts), these sights cater to users of all levels. The Holosun 403 Series Red Dot Sights, belonging to the broader category of Holosun Micro Reflex Sights, is distinguished by its always-on functionality, digital buttons for easy adjustments, and thoughtful accessories like rubber lens covers and a side-mounted battery tray. This makes the Holosun 403 Series an exceptional and user-friendly choice for shooters seeking reliable and adaptable reflex sights.

Features of Holosun 403 Reflex Sights:

  • 2 MOA Dot Reticle
  • 12 Brightness Setting: 10 DL & 2 NV Compatible
  • Up to 50,000 Hours Battery Life (Setting 6)
  • Parallax-free & Unlimited Eye Relief
  • Solar Failsafe
  • Convenient Tray Battery Compartment

Included in the box

  • Lower 1/3 Cowitness Mount
  • Low Profile Mount
  • T10 L Key
  • Rubber Cover
  • User Manual
  • CR2032 Battery
  • Lens Clothy


FootprintAimpoint Micro
Weight:2.82 oz
Length2.45 inches
Mount:Lower 1/3 Cowitness
Magnification Range:1x
Reticle Size2 MOA
Reticle ColorGreen
Parallax Adjustment:Free
Eye Relief:Unlimited
Adjustment Graduation0.5 MOA
Elevation Adjustment±50 MOA
Windage Adjustment±50 MOA
Package IncludesLower 1/3 Cowitness Mount
Low Profile Mount
T10 L Key
Rubber Cover
CR2032 Battery
Lens Cloth
User Manual
Dimensions:2.45 x 1.43 x 1.6 inches
Night Vision CompatibleYes
Brightness Settings2 NVD 10 DL
Battery Type:CR2032
Battery Life:Up to 50,000 Hours
Item Condition:New
Product TypeShop All Reflex
BrandShop All Holosun
Date First AvailableJune 07, 2022
Last UpdatedMay 13, 2024

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