NEW Trijicon RMR HD & RCR naming explained.
This video from GlockStore explains the acronyms behind Trijicon's RMR and RCR optics. The RMR stands for Ruggedized Miniature Reflex, referring to its compact, open-emitter design. The RCR, on the other hand, is a Ruggedized Closed Reflex, featuring a fully enclosed body for enhanced durability and protection against environmental elements. The instructor highlights the growing popularity of the enclosed design in modern optics.











