Description
HOLOSUN HS403B
HS403B is a 20mm micro sight designed for rifle and carbine applications. HS403B features Holosun’s Red Super LED with 50k hour battery life, 10 daylight and 2 night vision compatible reticle intensity settings. Its housing is made from 6061 aluminum and includes both a lower 1/3 co-witness mount (1.63”) and a low mount (.75”) for low-comb height rifle applications.
Additional features include Shake Awake technology, digital buttons for setting changes, rubber lens covers, and a side-mounted battery tray for the 2032 battery. HS403B is a versatile sight for users of all levels.
Items Dimensions (in inches)
In the Box
- Lower 1/3 Cowitness Mount
- Low Profile Mount
- T10 L Key
- Rubber Cover
- User Manual
- CR2032 Battery
- Lens Cloth
– TECH & FEATURES –
-
Shake Awake™ -
Multilayer Reflective Glass
Multilayer Reflective Glass
Holosun’s use of Grade 5 Titanium in certain Elite category optics and laser devices results in unparalleled strength and durability. Holosun Grade 5 Titanium has more than double the tensile strength and has five-times the fatigue strength of 7075 Aluminum. Grade 5 Titanium is also able to withstand the corrosiveness of seawater making Holosun Titanium model optics and lasers suitable for use in maritime environments.
– SPECIFICATION –
- 2 MOA Dot Reticle
- Up to 50,000 Hours Battery Life (Setting 6)
- 12 Brightness Setting: 10 DL & 2 NV Compatible
- Convenient Tray Battery Compartment
- Parallax-free & Unlimited Eye Relief
OPTICAL SPECS
| Reticle | 2 MOA Dot |
| Light Wavelength | 650nm |
| Reticle Color | Red |
| Parallax Free | Yes |
| Unlimited Eye Relief | Yes |
| Magnification | 1x |
| Multi-Coatings | Yes |
ELECTRONIC SPECS
| Power Source | Battery |
| Battery Type | CR2032 |
| Battery Life (Hours) | 50000 |
| Brightness Setting | 10 DL&2 NV |
PHYSICAL SPECS
| Window Size | 20mm Diameter |
| Dimension (in) | 2.45×1.43×1.6 |
| Weight (oz) | 2.82 |
MECHANICAL SPECS
| Housing Material | 6061 T6 Aluminum |
| Surface Finish | MAO |
| Adjustment per Click | 0.5 MOA |
| W&E Travel Range | ±50 MOA |
ENVIRONMENT SPECS
| Storage Temperature | -40℃~70℃ |
| Working Temperature | -30℃~60℃ |
| Submersion | IP67 |
| Vibration | 1000G |
