Holosun Technologies 403B, Reflex Sight, Dot Reticle, 2 MOA Red Dot, Aluminum Housing, Matte Finish, Flat Dark Earth, Solar with Internal Battery
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.
Optical specsReticle: 2 MOA DotLight Wavelength: 650nmReticle Color: RedParallax Free: YesUnlimited Eye Relief: YesMagnification: 1xMulti-Coatings: Yes
Electronic specsPower Source: BatteryBattery Type: CR2032Battery Life (Hours): 50000Brightness Setting: 10 DL&2 NV
Physical specsWindow Size: 20mm DiameterDimension (in): 2.45×1.43×1.6Weight (oz): 2.82
Mechanical specsHousing Material: 6061 T6 AluminumSurface Finish: MAOAdjustment per Click 0.5 MOAW&E Travel Range ±50 MOA
Environment specsStorage Temperature: -40℃~70℃Working Temperature: -30℃~60℃Submersion: IP67Vibration: 1000G
By purchasing Holosun 403B Reflex Sight 2 MOA Red Dot Reticle from our online store, you are guaranteed to receive a high-quality item. We work with trusted brands to offer shooting and hunting enthusiasts, both amateur and professional, quality products at a reasonable price. Choosing to buy from us means opting for quality and practicality
The actual appearance of the product may differ from the image on the website. For additional information about payment, delivery, and product specifications, please contact us by phone or email.










