Ibex Armament

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Holosun Technologies HS403C & HM3X Combo (Red Dot)


The HS403C is a 20mm micro optical sight designed for rifle and carbine applications. Features include Solar Failsafe, 12 brightness settings, up to 50k hour battery life, and a 2 MOA Dot. Rugged and proven time and time again, the 403C from Holosun is a fantastic choice for your next rifle, or rubber band gun.*

Holosun’s HM3X is an aluminum-bodied 3X magnifier that includes a quick release, ambidextrous, flip-to-side mount with Absolute and Lower 1/3 Co-witness. Additional features include 2.75” of eye relief, IP67 certified water resistance, and windage and elevation adjustments to provide for precision zeroing.



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


  • Power Source: Solar & Battery
  • Battery Type: CR2032
  • Battery Life: 50000 hours
  • Brightness Settings: 10 daytime settings & 2 night vision settings


  • Window Size: 2mm Diameter
  • Dimension: 2.45 x 1.4. x 1.6 inches
  • Weight: 2.82 ounces


  • Housing Material: 6061 T Aluminum
  • Surface Finish: MAO
  • Adjustment per Click: 0.5 MOA
  • Windage & Elevation Travel Range: ±50 MOA


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

Manufacturer Parts #HS403C & HM3X


*Not compatible with arms without rail mounting capabilities. See here



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