To close the stage, I attach some pics of my 1/72 Tamiya FW 190 A-3 kit captured by USAF.
When building the kit I decided to choose the A-3 version as most probable according to all of my available sources. Unfortunately (as usual...), soon after I've finished the model I got some new pics of this plane (from great KECAY's book) convincing me that the correct version of this plane should probably be G-3.
Well, maybe next time.
And traditionally a picture of the real plane (Internet):