Home / Hunting / / Holosun HS403B 2MOA Dot Only 20mm Micro Reflex Sight w/Shake Awake HS403B Scratches Near Battery Tray UA2321
Holosun HS403B 2MOA Dot Only 20mm Micro Reflex Sight w/Shake Awake HS403B Scratches Near Battery Tray UA2321

Holosun HS403B 2MOA Dot Only 20mm Micro Reflex Sight w/Shake Awake HS403B Scratches Near Battery Tray UA2321

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$109.99
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Updated
Jun 28, 2026
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Specifications

MPN
HS403B

Description

The HS403B is a 20mm micro optical sight designed for rifle and carbine applications. Features include 12 brightness settings, Holosun’s Super LED with up to 100k hours battery life, and 2 MOA Dot. In the Box: Lower 1/3 Cowitness MountRMR Adapter Low Profile Mount Rubber CoverCR2032 BatteryT10 L KeyLens ClothUser ManualFeatures of the Holosun HS403B 2 MOA Dot Reticle 12 Brightness Setting: 10 DL & 2 NV Compatible Up to 50,000 Hours Battery Life (Setting 6) Parallax-free & Unlimited Eye Relief Shake Awake™ Holosun HS403B 2MOA Dot Only 20mm Micro Reflex Sight w/Shake Awake HS403B Scratches Near Battery Tray UA2321
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