Ibex Armament


Holosun Technologies 403R


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SKU: RS605930625295 Categories: , Tags: , , ,

Holosun’s HS403R is a 20mm micro sight designed for rifle and carbine applications. HS403R features a Rotary switch to select reticle intensity, Holosun’s Red Super LED with 50k hour battery life, and a 2MOA dot with 10 daylight and 2 night vision compatible reticle intensity settings.

HS403R housing is made from durable cast 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 rubber lens covers, and a battery compartment integrated into the Rotary switch for the 2032 battery. HS403R is a versatile sight for users of all levels.



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


  • Power Source: Battery
  • Battery Type: CR1632
  • Battery Life: 100000 Hours
  • Brightness Settings: 10 Daytime Settings and 2 Night Vison Settings


  • Window Size: 20mm
  • Dimensions: 2.75 x 1.43 x 1.62 Inches
  • Weight: 3.53 Ounces


  • Housing Material: Durable Aluminum*
  • Surface Finish: MAO
  • Adjustment per Click: .5 MOA
  • Windage & Elevation Travel Range: ±50 MOA


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

Manufacturer Part #HS403R

UPC: 605930625295


*I quote Holosun.


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