Holosun HS403B Micro Red Dot, 2MOA Dot, Hight and Low Mount, Bottom Battery Tray, Black

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Sale price$204.99 Regular price$211.75


The HS403B 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 Holosun's 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.


  • Color: Black
  • Housing Material: 6061 T6 aluminum
  • Magnification: 1 x
  • Objective Lens Diameter: 20 mm
  • MRS: Circle Dot; 2 MOA Dot
  • Reticle color: Red
  • Illumination Type:  LED
  • Brightness Settings: 12 (10 DL & 2 NV Compatible intensity settings)
  • Eye Relief: Unlimited
  • Parallax: Parallax Free
  • Adjustment per click: 0.5 in at 100 yds
  • Optical Coating: Multi-Coated
  • Power source:  Battery
  •  Battery Type: CR2032
  •  Battery Life: 50000 hours (setting 6)
  •  Operating Temperature: -22° F to 140° Fahrenheit
  • Vibration: 1000G
  •  Water Resistance Level: IP67
  • Weight: 2.82 oz
  • Dimensions: 2.45x 1.43 x1.6 in
  •  W/E Travel Range: ± 50 MOA
  • Mount Type: 1/3 Co-Witness Mount, Quick Release, Low Profile
  • Fit :1913 Picatinny Rail

WARNINGCalifornia`s Proposition 65

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