I don’t think this has always been the case, but it is in 4.12 and I’m pretty sure was in 4.11 too. It feels like a bug to me, or at least something that should/could easily be handled better. Using the AI MoveTo or MoveTo actions on an AIController will still use the specified Acceptance Radius on…

Hey Joe, After looking into the issue further, I’ve decided to enter a bug report, which you can track the status of here: Unreal Engine Issues and Bug Tracker (UE-35153) Have a great day!