Holosun HS403B Red Dot Sight – 2 MOA


  • Parallax free
  • Unlimited eye relief
  • Push button controls
  • Streamlined housing design
  • Shake-Awake auto on/auto off
  • Low mount and 1/3 co-witness mount included
  • 1913 Picatinny and Weaver rail compatible
  • 6061-T6 aluminum


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SKUHS403B Category

The Holosun HS403B Red Dot Sight is a highly innovative optic that employs LED technology. The sight features a “Shake-Awake” function that powers up the sight with vibration, and the user can customize the shut off time. The HS403B has a 50,000-hour run time using a single CR2032 battery, making it a very reliable sight. It is also compatible with standard mounts, so it can be mounted on various weapons platforms such as shotguns, pistols, air rifles, and crossbows. The sight has 12 different brightness settings, and it works with night vision devices, making it a very versatile sight.


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