Brownells 75th Anniversary - A Shooting Heritage

Compact Micro Red Dot with Long Battery Life

The Holosun HS403R is a small compact micro red dot optic that features Holosun’s new Rheo Stat Dial to adjust brightness settings.

  • 2 MOA Dot
  • Parallax free with unlimited eye relief
  • Rheo Stat Dial controls and streamlined housing design
  • Low mount and 1/3 Co-witness mount included
  • Adaptable to Picatinny and Weaver rails
  • CNC machining with T6061-T6 aluminum housing.
  • Fits Aimpoint Micro style mounts/footprints.

Employing LED technology, the HS403R can achieve “constant on” battery life of up to 5 years on medium setting.


Online Only
In Stock

Reticle: MRS

Finish: Black

Battery Life: 5 yrs

Power Supply: CR 2032

Sight Type: Red Dot