Holosun HS403B 2MOA Enclosed Red Dot w/ Buttons

Holosun
SKU:
HS403B
$159.99
(1 review)
Current Stock:
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HS403B is a 20mm micro sight designed for rifle and carbine applications. HS403B features Holosun’s Red Super LED with 50k hour battery life, 10 daylight and 2 night vision compatible reticle intensity settings. Its housing is made from 6061 aluminum and includes both a lower 1/3 co-witness mount (1.63”) and a low mount (.75”) for low-comb height rifle applications.

Additional features include Shake Awake technology, digital buttons for setting changes, rubber lens covers, and a side-mounted battery tray for the 2032 battery. HS403B is a versatile sight for users of all levels.

 

In the Box

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

 

OPTICAL SPECS

Reticle 2 MOA Dot
Light Wavelength 650nm
Reticle Color Red
Parallax Free Yes
Unlimited Eye Relief Yes
Magnification 1x
Multi-Coatings Yes

ELECTRONIC SPECS

Power Source Battery
Battery Type CR2032
Battery Life (Hours) 50000
Brightness Setting 10 DL&2 NV

PHYSICAL SPECS

Window Size 20mm Diameter
Dimension (in) 2.45×1.43×1.6
Weight (oz) 2.82

MECHANICAL SPECS

Housing Material 6061 T6 Aluminum
Surface Finish MAO
Adjustment per Click 0.5 MOA
W&E Travel Range ±50 MOA

ENVIRONMENT SPECS

Storage Temperature -40℃~70℃
Working Temperature -30℃~60℃
Submersion IP67
Vibration 1000G

Reviews

  • 5
    First red dot

    Posted by G. Denton on 23rd Apr 2024

    Mounted this Holosun my Tuffy Survival rifle. Easy to zero. Works like a charm. Holds up to recoil of the .45 Colt and .410 loads. Good price and quick shipping from Rossi.