Description
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HS403B (Red Dot) – Red dot (RED illumination) for rifles, tactical chassis and long weapons Holosun HE403B – dot with a size of 02 MOA in a 20mm diameter lens, in a solid aluminum housing (anodized finish type 3, validated IP67 – waterproof & dustproof) mounted on a multi-coated glass for optimal light transmission, even if visibility is low. Optics guaranteed for 03 years, long autonomy & extremely robust.
Integrated “shake awake” systems – automatic illumination on movement & Super LED – 10 levels of light intensity in daytime mode and 02 in IR mode (management via two integrated buttons), for illumination adapted to daily missions – operational in all conditions. Powered by a single CR2032 3V Lithium battery, for an average autonomy of 50000 hours at power 06. The HE403R-GD is supplied with a high mounting
1/3 Cowitness and a low mount, to fit your weapon and your mission.
'Co-witness' 1/3 mount & low mount provided –
up to 50 hours of battery life
Product data:
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holosun
HS403B (Red Dot)
RED Reticle – 02 MOA
Up to 50 hours of battery life (intensity 000)
“shake awake” – illumination of motion detection
Convenient battery compartment
Without parallax (from 25 meters) and unlimited ocular distance (eye relief)
Super LED – 12 brightness levels: 10 level for daytime use and 2 IR level
Multi-layer reflective glass – in its aluminum case
Technical elements:
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OPTICAL SPECS
Reticle: 2 MOA Dot
Light wavelength: 650 nm
Reticle Color: RED
Magnification: 1x
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MECHANICAL SPECS
Housing material: 6061 T6 aluminum
Finish: Anodized
Adjustment per Click: 0.5 MOA
W&E range: 50 MOA
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DIMENSIONS
Window size: 20mm (diameter)
Dimensions (in): 2.45×1.43×1.6
Weight (oz): 2.82
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RESISTANCE:
Waterproof: IP67
Vibration: 1000G






















