Holosun HS403B 2MOA Dot Only 20mm Micro Reflex Sight HS403B - Mount Marks UA3020
Lowest Listed Price
$109.99
MSRP
$0
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Updated
Aug 26, 2026
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Specifications
Brand
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 Holosun HS403B 2MOA Dot Only 20mm Micro Reflex Sight HS403B - Mount Marks UA3020
