Red dot location

First time 300blk out bulid I've always used and mounted my rifle scopes pretty far back I was just wondering what everyone recommended. I will also be adding an magnifier down the line if that changes anything for the placement I really appreciate it and thank you for your help

First time 300blk out bulid I've always used and mounted my rifle scopes pretty far back I was just wondering what everyone recommended. I will also be adding an magnifier down the line if that changes anything for the placement I really appreciate it and thank you for your help