Holosun
Overview
The Holosun HE 403B is a compact red dot sight designed for quick target acquisition with its 2 MOA dot size, which provides a precise aiming point without obscuring the target. Its green reticle offers enhanced visibility in various lighting conditions, making it suitable for both indoor and outdoor shooting. This optic is commonly found on tactical and competition builds where speed and accuracy are paramount.
Specifications
Build history on GunPartPicker
Builders on GunPartPicker first added the Holosun HE 403B 1x 2 MOA Green Dot Black to a build in March 2026.
It was out of stock everywhere we track for all of September 2026, and today none of the 3 retailers we track has it in stock right now. Listed prices start at $166.54 at BattleHawk Armory for when it comes back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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