HS403R The HS403R is a small compact micro red dot optic that features Holosuns new Rheo Stat Dial to adjust brightness settings. Employing our LED technology, The HS403R can achieve constant on battery life of up to 5 years on medium setting.
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.