Yes if the shaft was tipped for a 3w and you put a 5w on it, it will be softer.
If a 7.0 soft stepped will be the same as a 6.5 hard stepped, I don't know.
I pre-ordered my MB712's over a month ago and also ordered two Vokey SM4 wedges. I go to see if they arrived at the pro shop because the Titleist rep on the phone said I would receive everything today. They never showed. The owner called to find out what…