Product Details

The Holosun HS403B is a 20mm micro-sight designed for rifle and carbine applications. HS403B features Holosuns 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.

Battery: CR2032 Lithium
Magnification: 1x
Eye Relief: Unlimited
Dot Size: 2 MOA
Length: 2.44"
Weight: 4.30 oz
Finish: Black
Reticle: 2 MOA Red Dot
Proofs: Water Resistant, Shockproof
Optic Coating: Multi-Coated
Windage Elevation: 50 MOA

More Information

More Information
Category Gun Parts
UPC 760921087428
Manufacturer Holosun
Battery CR2032 Lithium
Battery Life 50,000 hrs
Dot Size 2 MOA
Eye Relief Unlimited
Finish Black
Length 2.44"
Magnification 1x
Optic Coating Multi-Coated
Proofs Water Resistant, Shockproof
Reticle 2 MOA Red Dot
Windage Elevation 50 MOA

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