The Holosun HS403B is a compact micro red dot with a 2 MOA dot. Thanks to Holosun LED technology, a CR2032 battery can last up to 5 years, and the Shake Awake function turns the optic back on at the slightest movement.
It is parallax-free, usable day and night and unaffected by extreme weather conditions. It can be mounted on shotguns, pistols, air rifles and crossbows and is compatible with standard mounts.
Key features
2 MOA red dot
Shake Awake technology
CR2032 battery, up to 5 years of battery life
Parallax-free
For day and night use
Rugged construction, resistant to extreme weather conditions