Flow Microslot
A wider, longer micro-slot in the 4-7 irons for higher flight and more speed.
A more compact, responsive forged Mizuno Pro with extra ball speed
Mizuno Golf Β· IronsThe Mizuno Pro M-13 is a modern evolution of forged precision: more compact, more responsive and more satisfying at impact. Enhanced face geometry adds ball speed while keeping pure Mizuno feel, with a Chromoly Flow Microslot in the 4-7 irons and 1025E Pure Select mild carbon steel in the 8-GW. Each head is Grain Flow Forged in Hiroshima, Japan.

Why golfers choose it
A wider, longer micro-slot in the 4-7 irons for higher flight and more speed.
1025E Pure Select 8-GW for control and even distance gapping.
A reduced topline and blade length with a wrap-around sole grind.
Product details
| Brand | Mizuno |
|---|---|
| Model | Pro M-13 Irons |
| Head type | Compact forged player's iron |
| Long irons (4-7) | 4120 Chromoly with Flow Microslot |
| Scoring irons (8-GW) | 1025E Pure Select mild carbon steel |
| Finish | Satin nickel chrome |
| Stock shafts | Modus 120 Stiff, Modus 105 Regular (steel) |
| Set makeups | 4-PW (7 pc), 4-PW + GW (8 pc) |
| Hand | Right or Left |
A compact, forged option for skilled players who want extra ball speed in the long irons. Stock builds can be limited, so contact us to confirm availability before ordering.
Product questions
Grater Golf support
Tell us your swing speed, current clubs and goals, and weβll help you choose and build the right Mizuno irons.
Ask Grater GolfFree standard shipping on most orders $100+ within the contiguous U.S. Eligible items may be returned within 30 days. Custom, modified, cut, installed, and made-to-order products may be final sale.