Holosun HS403G Red Dot Sight
HS403G-1HS403G-2HS403G-3HS403G-4Red Dot


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The Holosun HS403G used the design of the successful HS403A, but moved the battery housing to the right side of the optic. This provides easy access to change the battery. The compact battery housing has a lower profile than the windage turret. The mount is now fully T1 compatible. You can use any aftermarket T1/H1 mount for this sight. The turret adjustment mechanism has been updated with it being 3mm higher than the HS403A, to make it easier to adjust with a gloved hand. All other features are identical to the HS403A.

  • Designed for day use and night vision
  • New advantage technology LED allows 50,000 hours of operation on one battery
  • 2 MOA on dot size
  • Reduced training time and ammunition
  • Unlimited field of view
  • Parallax-free with unlimited eye relief
  • Unaffected by extreme weather conditions
  • Durable and reliable construction
  • No hazardous materials used
  • No laser emission that could be harmful to your eyes
  • Press button brightness setting w/automatic brightness adjustment
  • Shaking sensor

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