Open Box – Holosun 403C Red Dot w/ Lower 1/3rd Mount

Used/Open Box Item: This product is not eligible for return. Click to learn more about used products.

Original price was: $242.34.Current price is: $169.47.


Product Summary

The HS403C is a 20mm micro-optical sight designed for rifle and carbine applications. Features include Solar Failsafe, 12 brightness settings, Holosun’s Green Super LED with up to 50k hour battery life, and 2 MOA Dot.

  • Reticle: 2 MOA Dot
  • Lower 1/3 Co-witness Mount
  • Low Profile Mount
  • Light Wavelength: 650nm
  • Reticle Color: Red
  • Parallax Free
  • Unlimited Eye Relief
  • Magnification: 1x


Technical Information

Color / Pattern


6061 Aluminim


MAO (Micro Arc Oxidation)


2.0 MOA

Catalog Location

California Prop 65 Warning

WARNING: This product can expose you to chemicals, which are known to the State of California to cause Cancer and Reproductive Harm. For more information visit