Holosun 403B 2 MOA Enclosed Rifle Sight

403B is a 20mm micro sight designed for rifle and carbine applications. 403B features Holosun’s 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. 403B is a versatile sight for users of all levels.

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