The HS403B is a 20mm micro optical sight designed for rifle and carbine applications. Features include 12 brightness settings, Holosun’s Super LED with up to 100k hours battery life, and 2 MOA Dot.

  • 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: CR2032
  • Battery Life (Hours): 50000
  • Brightness Setting: 10 DL&2 NV
  • Window Size: 20mm Diameter
  • Dimension (in): 2.45×1.43×1.6
  • Weight (oz): 2.82
  • Housing Material: 6061 T6 Aluminum
  • Surface Finish: MAO
  • Adjustment per Click: 0.5 MOA
  • W&E Travel Range: ±50 MOA
  • Storage Temperature: -40?~70?
  • Working Temperature: -30?~60?
  • Submersion: IP67
  • Vibration: 1000G