Mizuno Pro M-13 Irons Are Stunning Player’s Cavity Blade Irons (Reviewed)

Mizuno M-13 irons have been launched as a new compact forged player’s cavity blade for 2026 and the successor to the Pro 243.

Part of an extended Pro Series of irons, the M-13 is joined by the M-15 as a newcomer for 2026 with the two models accompanying the S-1 irons and S-3 irons that were launched in 2025.

The M‑13 is a traditional, compact forged player’s cavity blade model and replaces the Mizuno 243 in the Pro lineup.

It features a multi‑construction design with pocket‑cavity long irons, thinner‑walled mid‑irons and one‑piece forged short irons for optimal performance through the bag.

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Pros & Cons

✅ Progressive designs through the set with three separate constructions
✅ Exceptional forged feedback in short irons
✅ Strong distance for the lofts with long irons that launch high, retain spin and stop reasonably quickly on greens
✅ Face flex and stability means mishits lose fewer yards than you’d expect from a compact players head
​❌ Not ideal for higher handicaps who will be suited by more game improvement heads
​❌ Long irons are more forgiving than past Pro blades
​❌ Short-iron spin may underwhelm high-speed players

Mizuno Pro M-13 Irons Specs & Design

The new Mizuno M‑13 is built for consistent distance gapping and classic forged feel with more forgiveness and ball speed added compared to the Pro 243 – without losing the player’s profile.

The Pro M‑13 uses a multi‑construction design of pocket‑cavity long irons, thinner‑walled mid‑irons that are 35% thinner than the 243 and one‑piece forged short irons to tune launch, speed and feel through the bag.

The long irons (4-iron to 5-iron) feature a full pocket cavity plus a Contour Ellipse variable‑thickness face, while the mid irons (6–8) use a thin‑wall forged construction.

The Contour Ellipse Face technology features an elliptical pattern from heel to toe than generated enhanced flex and ball speed without hot-face excess in the design.

In the 9-iron, pitching wedge and Gap Wedge, Mizuno move the design to a one‑piece Grain Flow Forged S25CM mild‑steel body for maximum feel.

The short irons focus on precision and feedback with higher bounce and more traditional lofts that suit better players who like to control spin and trajectory.

The irons feature Mizuno’s Harmonic Impact Technology, which combines a copper underlay and full cavity ABS badge for fine-tuned vibration patterns.

Also part of the design is the Triple Cut Sole, which has sharper leading edges and bevelled trailing relief, ensuring dependable turf interaction from every lie.

Finished with a Nickel Chrome Satin Brush finish, the M-13 irons are available in 4-iron (22 degrees) to Gap Wedge (48 degrees).​

Mizuno M-13 Irons Review: Are they any good?

Better players wanting a forged, workable irons with some forgiveness and help will find that the M-13 is an ideal choice for 2026.

The set’s three-piece construction concept works well with long irons more explosive and forgiving, mids carrying controlled extra speed and scoring irons delivering the precision and feel you’d expect from Mizuno.

Improved turf interaction is a real strength too, with the triple-cut sole helping the club glide rather than dig – but this is a low-to-mid handicap option as it is not the most forgiving option from the brand.

Higher handicaps, or players who prioritise pure forgiveness and ball speed, will be better served by the M-15 or a more prominent game-improvement model.

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FAQs

What is the 2026 Mizuno M-13 irons release date?

The new irons were released in January 2026 along with the M-15, joining the previously released Pro S-1 and Pro S-3.

How much do Mizuno Pro M-13 cost?

The irons retail at around $250 per club.

What are the Pro Series M-13 irons specs?

The M-13 irons are available in 4-iron (22 degrees) to Gap Wedge (48 degrees).