The Holosun HS403R 2 MOA Red Dot Sight 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.
Features and Specs
- 2 MOA Dot Reticle
- Up to 100,000 Hours Battery Life (Setting 6)
- 12 Brightness Setting: 10 DL & 2 NV Compatible
- Rotary Battery Compartment
- Parallax-free & Unlimited Eye Relief
- 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
In the Box
- Lower 1/3 Cowitness Mount
- Low Profile Mount
- T10 L Key
- Rubber Cover
- User Manual
- CR2032 Battery
- Lens Cloth