Tried the same shafts as what I use now, the DG S300 but the flight was more penetrating. Tend to hit my current irons very high so can be a problem into a strong wind. Mizuno a were slightly lower.
I have played with Titleist 735 - CM irons for the last 6 years and really get on with them but fancy a change.
Have never really considered Mizuno irons but have just tested the demo 6 iron from the new MP 64 irons and wow - fantastic feel and a very penetrating flight as I do tend to hit a...