Holosun HS403B Red Dot

Description

Holosun HS403B – Never been used. Purchased for a custom build and then got shuffled and forgotten at the back of the safe.

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The Holosun HS403B is a compact 20mm micro red dot sight featuring a 2 MOA dot, 50,000-hour battery life, and Shake Awake technology.

Key Specifications
Reticle: 2 MOA dot

Battery Life: Up to 50,000 hours on setting 6 via a CR2032 battery

Brightness Settings: 10 daylight settings and 2 night vision settings

Housing Material: 6061-T6 AluminumWaterproof Rating: IPX7

Compatibility & Mounting
Mounts Included: Comes with both a low-profile mount and a lower 1/3 co-witness riser mount

Rail Compatibility: Fits standard 1913 Picatinny and Weaver rails

Footprint: Uses standard micro-mount footprints compatible with many T1/T2-style aftermarket mounts

Performance Metrics
Parallax: Parallax-free with unlimited eye relief

Sensor Technology: Shake Awake auto-wake on vibration detection with power-off during inactivity

Adjustment: Half-MOA windage and elevation clicks via capped turrets

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