I think we are also finding that there is quite a selection bias with some of the “tactical” drills given the population that attends instruction similar to Rogers range scores, Jedi Black Belt standards, Gabe White standards, etc.
While 10.3 seconds is very respectable, 9.0 seconds is very doable at a GM level. Unofficially of course.
I would think someone like Stoeger could do it in 8.0.