Do you happen to have the MPF for the Mizuno JPX 900 Forged?
Preliminary number on the JPX 900 Forged iron is 541, which puts it in the Conventional category. Just missed the Game Improvement category by 10 points. The JPX 900 came out to 689 points, which is in the high end of the Game Improvement category. The JPX Tour was 359 points which is in the Classic category.
Have you tested the JPX 900 Hot Metal?
Good improvement over 850 forged.