The FDE Viridian RFX16 Black Label pairs an RMSc mounting footprint with a 2/36 MOA reticle specification. It offers a clearly identified RFX16 configuration for shoppers selecting an optic by model and mounting pattern. The RMSc footprint is the mounting-pattern reference for this sight. Match that interface to the intended firearm or optic plate when selecting a setup. The FDE exterior and 2/36 MOA reflex sight specification provide the key details for identifying this exact configuration.