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Holosun Technologies HS510C & HM3X Combo (Red Dot)


Availability: In stock

The HS510C is an open reflex optical sight designed for rifle and carbine applications. Features include Holosun’s Super LED with up to 50k hours battery life, Multi-Reticle System, Solar Failsafe, and Shake Awake.

The 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 mounting solutions.* Additional features include 2.75″ of eye relief, IP67 certified water resistance, with windage and elevation adjustment for precision zeroing.



  • Reticle: 2 MOA Dot and 65 MOA Circle
  • 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: 50000 hours
  • Brightness Settings: 10 daytime settings & 2 night vision settings


  • Window Size: 0.91 x 1.26 inches
  • Dimension: 3.3 x 1.68 x 1.78 inches
  • Weight: 4.94 ounces


  • Housing Material: Aluminum and Titanium Hood
  • 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 #HS510C & HM3X


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




5 reviews for Holosun Technologies HS510C & HM3X Combo (Red Dot)

  1. JakieC99

    Jake (verified owner)

    10/10 recommend! Great customer service and speedy processing!

  2. Colton Bieker

    Colton (verified owner)

    Got exactly what I was expecting! Great service and a great guy!

  3. Willis Chen

    Willis C. (verified owner)

    Mr. Wang is awesome! I highly recommend buying from him. Best part is that he takes the time to write your personal note to thank his customers.

  4. Amar Pathak

    Amar (verified owner)

    Switched out an LPVO for this and made my gun so much more fun with quick magnification changes without having to find a lever

  5. Emerson (verified owner)

    Thanks alot Hunter abd also thanks for being patient with me.

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