Holosun HS403B Black Anodized 2 MOA Red Dot Reticle


Holosun HS403B HS403B Black Anodized 1 x 20mm 2 MOA Red Dot Reticle

693 in stock

SKU: HS403B Categories: ,


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.AR10 AR15 picatinny Rail Mount.

Model HS403B
Magnification 1x
Color Black Anodized
Reticle 2 MOA Red Dot
Firearm Type Carbine / Rifle
Mount Type Picatinny Rail
Wavelength 650nM
Adjustment Size .50 MOA
Objective 20mm
Brightness Settings 10 Daytime / 2 Night Vision
Eye Relief Unlimited
Switch Type Shake Awake Sensor
Battery Size CR2032
Windage Adjustment 50 MOA
Length 2.45″
Proofs Waterproof
Parallax Adjustment Parallax Free
Power Source Adjustable
Battery Life 50,000 hrs
Bulb Type LED
Dot Size 2 MOA
Elevation Adjustment 50 MOA
Height 1.60″
Includes Lower 1 / 3 Cowitness Mount / T10 L Key / Manual / Lens Cloth / Low Profile Mount / Rubber Cover / Battery
Optic Coating Multi-Coated
Width 1.43″
Weight 2.82 oz
Controls Top Mounted
Windage Elevation Adjustable


Additional information


Holosun, Holosun Technologies






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