The HS403R is a 20mm micro sight designed for rifle and carbine applications. HS403R features a Rotary switch to select reticle intensity, Holosun’s Red Super LED with 50k hour battery life, and a 2MOA dot with 10 daylight and 2 night vision compatible reticle intensity settings.
HS403R housing is made from durable cast 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, rubber lens covers, and a battery compartment integrated into the Rotary switch for the 2032 battery. HS403R is a versatile sight for users of all levels.
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) | 100000 |
| Brightness Setting | 10 DL&2 NV |
PHYSICAL SPECS
| Window Size | 20mm Diameter |
| Dimension (in) | 2.75×1.43×1.62 |
| Weight (oz) | 3.53 |
MECHANICAL SPECS
| Housing Material | Durable 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 |
