![Holosun HS403B Red Dot Sight - Red 2 MOA Dot [HS403B]](https://cdn11.bigcommerce.com/s-ezlzxhcsxg/images/stencil/1280x1280/products/9460/17118/holosun-hs403b-red-dot-sight-red-2-moa-dot-hs403b__39936.1708787462.jpg?c=1 "Holosun HS403B Red Dot Sight - Red 2 MOA Dot [HS403B]")
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![Holosun HS403B Red Dot Sight - Red 2 MOA Dot [HS403B]](https://cdn11.bigcommerce.com/s-ezlzxhcsxg/images/stencil/1280x1280/products/9460/17120/holosun-hs403b-red-dot-sight-red-2-moa-dot-hs403b-2__74542.1708787463.jpg?c=1 "Holosun HS403B Red Dot Sight - Red 2 MOA Dot [HS403B]")
![Holosun HS403B Red Dot Sight - Red 2 MOA Dot [HS403B]](https://cdn11.bigcommerce.com/s-ezlzxhcsxg/images/stencil/1280x1280/products/9460/17121/holosun-hs403b-red-dot-sight-red-2-moa-dot-hs403b-1__18661.1708787464.jpg?c=1 "Holosun HS403B Red Dot Sight - Red 2 MOA Dot [HS403B]")
![Holosun HS403B Red Dot Sight - Red 2 MOA Dot [HS403B]](https://cdn11.bigcommerce.com/s-ezlzxhcsxg/images/stencil/100x100/products/9460/17118/holosun-hs403b-red-dot-sight-red-2-moa-dot-hs403b__39936.1708787462.jpg?c=1 "Holosun HS403B Red Dot Sight - Red 2 MOA Dot [HS403B]")
![Holosun HS403B Red Dot Sight - Red 2 MOA Dot [HS403B]](https://cdn11.bigcommerce.com/s-ezlzxhcsxg/images/stencil/100x100/products/9460/17119/holosun-hs403b-red-dot-sight-red-2-moa-dot-hs403b-3__79045.1708787462.jpg?c=1 "Holosun HS403B Red Dot Sight - Red 2 MOA Dot [HS403B]")
![Holosun HS403B Red Dot Sight - Red 2 MOA Dot [HS403B]](https://cdn11.bigcommerce.com/s-ezlzxhcsxg/images/stencil/100x100/products/9460/17120/holosun-hs403b-red-dot-sight-red-2-moa-dot-hs403b-2__74542.1708787463.jpg?c=1 "Holosun HS403B Red Dot Sight - Red 2 MOA Dot [HS403B]")
![Holosun HS403B Red Dot Sight - Red 2 MOA Dot [HS403B]](https://cdn11.bigcommerce.com/s-ezlzxhcsxg/images/stencil/100x100/products/9460/17121/holosun-hs403b-red-dot-sight-red-2-moa-dot-hs403b-1__18661.1708787464.jpg?c=1 "Holosun HS403B Red Dot Sight - Red 2 MOA Dot [HS403B]")
Product Description
Holosun HS403B Red Dot Sight - Red 2 MOA Dot
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.
Optical Data:
- Reticle: 2 MOA Dot
- Light Wavelength: 650nm
- Reticle Colour: Red
- Parallax Free: Yes
- Unlimited Eye Relief: Yes
- Magnification: 1x
- Multi-Coatings: Yes
Electronic Data:
- Power Source: Battery
- Battery Type: CR2032
- Battery Life (Hours): 50000
- Brightness Setting: 10 DL&2 NV
Mechanical Data:
- Housing Material: 6061 T6 Aluminum
- Surface Finish: MAO
- Adjustment per Click: 0.5 MOA
- W&E Travel Range: ±50 MOA
Physical Data:
- Window Size: 20mm Diameter
- Dimension (in): 2.45×1.43×1.6
- Weight (oz): 2.82
Environmental Data:
- Storage Temperature: -40℃~70℃
- Working Temperature: -30℃~60℃
- Submersion: IP67
- Vibration: 1000G
*****NOTE: Your Holosun product is warranted to be free of defects in materials and workmanship with the Holosun Limited Lifetime Warranty.*****
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