Reverse Missiles / not an "attack"

[David Johnston2]

Originally Posted by RGTraynor

Barring official guidance, I'd rule the latter: the attacker inflicts a successful hit on himself, which he then can defend in the usual ways. (Reversing a bullet, given the element of surprise, I expect the usual way would equate to "Gape owlishly at the fresh hole in your chest.")

If it's a gun fight on both sides, then any dodging he'd do against bullets in general would apply to his reversed bullet. But what about firing from cover?