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 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.
Window Size | 20mm Diameter |
Dimension (in) | 2.75×1.43×1.62 |
Weight (oz) | 3.53 |
Housing Material | Durable Aluminum |
Surface Finish | MAO |
Adjustment per Click | 0.5 MOA |
W&E Travel Range | ±50 MOA |
Storage Temperature | -40℃~70℃ |
Working Temperature | -30℃~60℃ |
Submersion | IP67 |
Vibration | 1000G |