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Holosun HS403B Micro Red Dot Optic (2 MOA) - Midwest Archery
Holosun HS403B Micro Red Dot Optic (2 MOA) - Midwest Archery

Holosun HS403B Micro Red Dot Optic (2 MOA)

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The 403B is a small compact micro red dot optic. Employing Holosun’s LED technology, the lifetime for one CR2032 battery can be up to 5 years. This optic features our “Shake Awake” technology that powers the optic on with slight movement of the 403B. It may be installed on various firearms such as shotguns, pistols ,air rifles and crossbows. The HS403B is compatible with standard mounts. Don't let the price fool you, the quality is second to none.


  • Designed for day and night use
  • New advanced technology LED allows up to 50,000 hours of operation on one CR2032 battery
  • 2 MOA on dot size
  • Reduced training time and ammunition
  • Unlimited field of view
  • Parallax-free with unlimited eye relief
  • Unaffected by extreme weather conditions
  • Durable and reliable construction
  • Low mount and 1/3 Co-witness mount included
    • Light Source LED
    • Reticle 2MOA Dot
    • Parallax Free Yes
    • Unlimited Eye Relief Yes
    • Magnification 1x
    • Multi-Coatings Yes
    • Integrated Laser No

    • Battery Type CR2032
    • Battery Life Up to 50,000 Hours
    • Brightness Setting 10 Daylight & 2 NV Compatible

    • Housing Material 6061 Aluminum
    • Surface Finish MAO
    • Housing Color Black
    • Adjustment per Click 0.5 MOA
    • W&E Travel Range ±50 MOA
    • Storage Temperature -40℉ - 158℉
    • Working Temperature -22℉ - 140℉
    • Submersion IP67
    • Vibration Up to 1000G

    • Window Size 20mm Diameter
    • Dimension (in) 2.44 x 1.18 x 1.45
    • Weight (oz) 4.3
    • Central Height (in) 1.63