Holosun HS403B Paralow 2 MOA Red Dot 20mm Micro Reflex Sight FDE HS403B-FDE


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Holosun HS403B-FDE Paralow 2 MOA Red Dot 20mm Micro Reflex Sight FDE

The Holosun HS403B Paralow 2 MOA Red Dot 20mm Micro Reflex Sight FDE HS403B-FDE is a versatile, high-performance, micro-reflex sight designed for modern sporting rifles/carbines. Featuring a precise 2 MOA dot reticle, it enables precise shot placement close to mid-range and can be paired with a magnifier for long-range targets. The Holosun HS403B-FDE sight is parallax-free with unlimited eye relief, allowing flexible rail placement, and includes a lower 1/3 co-witness mount for use with iron sights. Equipped with Holosun's Shake Awake function, the reticle activates upon movement and deactivates during inactivity, ensuring immediate readiness and battery conservation. The Super LED illumination offers 12 brightness levels, adapting to varying light conditions, and multilayer lens coatings maximize light transmission while reducing glare. The durable 6061 aluminum housing, available in Flat Dark Earth (FDE), adds to its robust design, making the HS403B an ideal choice for users of all levels in diverse shooting scenarios.


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

Specs

Model403
FootprintAimpoint Micro
Weight:2.82 oz
Length2.45 inches
Mount:Lower 1/3 Cowitness
Magnification Range:1x
Reticle Size2 MOA
Reticle ColorRed
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
User Manual
CR2032 Battery
Lens Cloth
Finish:FDE
Dimensions:2.45 x 1.43 x 1.6 inches
Night Vision CompatibleYes
Brightness Settings2 NVD 10 DL
BatteryCR2032
Battery Type:CR2032
Battery Life:Up to 50,000 Hours
Item Condition:New
UPC605930624762
MPNHS403B-FDE
Product TypeShop All Reflex
BrandShop All Holosun
Date First AvailableJune 07, 2022
Last UpdatedNovember 13, 2024
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