A Do-It-All Thermal Optic | Is the iRay RH25 Worth It?
This guide details the process of mounting and zeroing the iRay RH25 thermal optic as a clip-on device. It emphasizes the critical step of collimation before zeroing and outlines live-fire testing for zero retention. The information is presented with a pragmatic and technically grounded approach, reflecting high authority and expertise in tactical gear integration.











