To ensure nothing had changed since their initial introduction, I called Hornady again this morning.
They said the exact same thing they said last time. The Z Maxes are V-Maxes with a different tip. He even went as far to explain that having two different production lines for products that are this similar "would not be cost effective."
He also stated the 168 was/is an A-Max. and that the 30-30 ammo uses the FTX.
He went on to say " They are simply an already existing line, with a different colored tip."
I have been mixing red and green tips since their introduction and I have seen no difference in group size, POI, or terminal performance.
Travis