The Holosun HS403B Red Dot 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. This optic comes mounted to a lower 1/3 mount and uses a CR2032 battery with the battery tray on the side. The optic is constructed of 6061 T6 Aluminum and has 0.5MOA adjustments with turret caps that can be used as an adjustment tool when flipped over. Finishing off with a one piece rubber cover.
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