Holosun HS503R Rheo Stat Dial Micro Red Dot Sight 1x Selectable Reticle Weaver-Style Low & Lower 1/3 Co-Witness Mount Matte

SKU: HS503R Categories: ,


The HS503R is a small compact micro red dot optic that features Holosun’s Rheostat Dial to adjust brightness settings. Employing their LED technology, The HS503R can achieve “constant on” battery life of up to 100,000 hours on medium setting. This optic features Holosun’s proprietary Multi-reticle System (MRS) giving the user 2 reticles to choose from.


  • Rotary control for faster operation and visual brightness indicator
  • Advanced technology LED allows up to 100,000 hours of operation on one CR2032 battery
  • 2 MOA dot with selectable 65 MOA ring
  • Unlimited field of view
  • Parallax-free with unlimited eye relief
  • Durable and reliable construction
  • Low mount and 1/3 Co-witness mount included