What is the current thinking about the ideal distance to place a Red Dot Sight? Specifically a 20mm tube-type RDS, the Sig ROMEO4.


Proof that I did search but everything I found is more than seven years old and I wonder if anything has changed. If I missed newer threads please just direct me to them.

https://www.m4carbine.net/showthread...t-on-a-Flattop
https://www.m4carbine.net/showthread...ing-or-outside
https://www.m4carbine.net/showthread...orward-or-back
https://www.m4carbine.net/showthread...ting-placement
https://www.m4carbine.net/showthread...-carbine/page2