Mizuno GX Reports

The Test To test the new Mizuno JPX 900 forged irons, we compared them to their pre- decessor, the JPX 850 forged irons, and both with a standard length Dynamic Gold S300 shaft. Both of these irons are very similar, the 900 series added minor improvements, but there were some noticeable differences. Here are the results from the JPX 900:

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