Adjustable IR illuminator | IRIS GR4 from Holosun
This guide details the installation and basic operation of the Holosun IRIS GR4, an advanced tactical accessory featuring adjustable IR illumination, visible green and IR lasers, and a 1000-lumen white light. The guide emphasizes proper mounting, connection of the remote switch, and understanding its various functions for effective use in low-light or night operations.











