Do you think this could be sufficienctly approximated by adding a slight "push-back" effect to most bullets/grenades? Because that's already in the game (on the discharge defense). So it would be realatively easy to make a proof-of-concept mod using that.
The stun effect would certainly be a way ...

I don't see a lot of discussion on very low level combat interactions.

There are realistically only a few 'verbs' players have in combat: Shoot, Throw, Build, Move. Shooting slows down the player to considerable degree and is therefore the highest risk action. Oddly enough, the higher tier ...