HS403R-RD | Holosun

Holosun 403R is a red dot sight of the Paralow series.

The letter 'R' indicates that the device features a rotary switch for setting the illumination intensity instead of the two buttons found on most Holosun red dot sights. The switch is located next to the battery compartment, on the side of the device.

Even though this device doesn’t have ‘U’ in its name, it comes with shrouded turrets.

‘RD’ indicates that this red dot sight features red illumination.

Main features of 403R red dot optic

2 MOA dot

red and gold illumination

comes with a low mount and a high mount for a lower third co-witness on standard AR platforms

red dot optic features shrouded turrets

rotary switch instead of buttons for setting the illumination intensity

same mounting platform as Aimpoint Micro devices

12 illumination intensity levels, 2 of them are NVD compatible

holosun 403r parallax: micro optical sight is parallax free

up to 100.000 hours of battery life

the battery compartment is on the right side of the device under a round shaped cover