Holosun HE403B-GR 20mm Micro Red Dot Sight (2 MOA Green Dot)
The Holosun HE403B-GR is a 1x micro tube-style red dot built around a 2 MOA green dot reticle, designed for rifle and carbine setups. It uses a CR2032 battery in a side-mounted battery compartment with a screw-cap. and provides up to 50,000 hours of runtime (setting 6).
Features include Shake Awake, 12 brightness settings (10 daylight and 2 night-vision compatible), and a parallax-free optical design with unlimited eye relief. This unit includes a lens cover.