Looking for a new RMR red dot?
This guide details the installation and initial use of an RMR footprint red dot sight, specifically the AT3 Tactical model, on platforms like the Glock 19 and Glock 17. It emphasizes the versatility of mounting on both handguns and rifles as a secondary optic. The video highlights the importance of the RMR footprint for compatibility and demonstrates practical application in a shooting range environment.













