Def a different feel from pop one. I played the beta a couple times and it was janky than not only some of the mechanics. Body armor and marking things on the map was a pain in the ass. Gun reloading takes some practice to get use to but, was a good time somewhat once you got the hang of it. Still put pop one over this version though for now, although I hate the building in pop one.
Had the same issue, finally figured it out. Grab the plate with right hand, hold near right side of chest and slide hand to the left as if slotting it into jacket pocket.