Holosun HS403B 2 MOA Red Dot Sight

NEW Holosun HS403B 2 MOA Red Dot Sight HS403B

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.

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.

FEATURES
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

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

In the Box
Lower 1/3 Cowitness Mount
Low Profile Mount
T10 L Key
Rubber Cover
User Manual
CR2032 Battery
Lens Cloth