They are completely interchangeable.  A MAT file pose for A3 will will put the texture on V3 without a blip.  A3 just has some different material zone names on the legs.  The textures go on with a perfect fir on either.

I cannot save the world. Only my little piece of it. If we all act together, we can save the world.--Nelson Mandela
An  inconsistent hobgoblin is the fool of little minds
Taking "Just do it" to a whole new level!