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Mizuno MP-4 Forged Iron Set

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The MP-4 is the purest of forged muscle backs for shot-makersseeking the ultimate control over their ball flight.

A longer, softer sense of impact results from Mizuno’s patented grainFlow Forging process and bulging muscle design that extends higher upon the clubface. The muscle bulge is most prominent in the scoringirons and reduces down through to the slender long irons – where designemphasis is placed on creating a quick launch and steeper landing angleto knock down flags.


  • Pure Muscle Design: Bulging muscle ensures thickness behindimpact for solid feel.
  • Shotmaker’s profile: Thin top line & reduced offsethelps manipulate ball flight.
  • Variable Muscle Bulge: More bulge in the short irons fortrajectory control.
  • New profile 8-PW: More compact than previous MP irons,
  • Grain Flow Forged: From a single 1025E Pure Select mildcarbon steel billet for enhanced feel.
  • Custom Set Make Ups: Available in mixed sets or with MP-H4long iron alternative.

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Grip Availability:
Mizuno M-31 - 0.58, 0.60