Mount your RMR (or other RMR footprint optic) sight using the Trijicon Low-Profile Picatinny Rail Mount Adapter for RMR. It provides a low-profile mounting option for your optic and works with Picatinny rails.
Low Picatinny Rail Mount for RMR®/SRO®
Distance From Top of Mounting Rail to Optical Axis:
RMR: 0.768"
SRO: 1.009"
INCLUDES
1 Mount
2 Optic Mounting Screws