I made my own MX Master "3S" by swapping default switches with silent KAILH 6x6x7.3. The result is incredible, and the clicks are even quieter than M650 Silent. : r/logitech
Logitech Performance MX Teardown and Repair | SteelCity Electronics
Logitech MX Master 2S Mods: Silent Switches and Glide Pad Replacement!