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Mizuno’s new JPX923 series of irons are the latest chapter in Mizuno’s highly successful JPX story. The family of irons has been engineered for custom performance to offer the ultimate blend of looks, feel and workability. The JPX923 Series has been developed alongside Mizuno’s comprehensive custom-fitting program to deliver exceptional performance and help all golfers get the very most from their games, from elite tour players to slow-swinging amateurs, and every player in between.

The new family features five unique iron models created from three specific metals and developed using Swing DNA data from over 350,000 real golfers.  The expanded head options combine with one of over 50 custom shafts for specific trajectory, ball speed and ease of use to create options for players of all standards.

“The new JPX923 series was planned out with Mizuno’s custom ethos at its core” says David Llewellyn, Director of R&D for Mizuno. “We already offer more than 50 unique shafts within our custom program, by expanding to five iron models, there’s an ideal combination for every type of player.”

The JPX923 series comprises: JPX923 Tour featuring a new V-Chassis and thinner topline, JPX923 Forged showcasing Mizuno’s 3^rd generation of Chromoly Forging and JPX923 Hot Metal, JPX923 Hot Metal Pro and JPX Hot Metal HL all featuring new, faster 4335 Nickel Chromoly – 35% stronger than Mizuno’s original Chromoly.

JPX923 Hot Metal – Mizuno’s Fastest Flying, Fast Stopping Irons

The JPX923 Hot Metal irons are as enjoyable and controllable as they are long. The seamless cup face construction delivers the deep centre of gravity needed for a high launch and controllable landing angle for increased stopping power whilst the thinnest part of the sole has been extended 18% wider to create a wider high-energy area on the face for more consistent ball speeds.

There are three fitting options – Hot Metal Pro, Hot Metal and Hot Metal HL (High Launch.)  175,000 real golf swings recorded via Mizuno’s Swing DNA system every year highlighted the need for variable launch options.

“There are so many different kinds of players looking for increased ball speed from their irons, we needed more options for them at a fitting level. The custom studios use shaft selection incredibly well to help with launch angle or slower swing speeds, but the JPX923 Hot Metal HL gives them a great new tool to work with,” says Chris Voshall.

JPX923 Hot Metal Pro is a player’s speed cavity that’s compact, with minimal offset for confident ball-strikers seeking maximum ball speed. It’s suitable for low to mid handicap golfers.

JPX923 Hot Metal is a forgiving speed cavity suitable for mid to high handicap golfers. It features a full speed, high stability cavity for straight flight and distance.

JPX923 Hot Metal HL is a high launch speed cavity delivering a higher launching option for players with moderate swing speeds or aggressive shaft lean, it’s suitable for mid to high handicap golfers.

The JPX923 Hot Model irons are available for pre-order and fittings now. Click here to book your fitting.

JPX923 Tour – Coming in February 2023

Consistently Mizuno’s most-played iron model in professional golf and still one-piece Grain Flow Forged in Hiroshima Japan from 1025E Pure Select mild carbon steel, the JPX923 Tour adds a copper underlay for an even smoother sensation at impact.  The JPX923 Tour also presents a narrower top line and sole in tandem with more rounded trailing edge for cleaner turf interaction.  Player enhancements made possible through the introduction of Mizuno’s new ‘V-Chassis’.

The JPX923 Tour is a shallow cavity suitable for elite amateurs and professionals, featuring refined scoring irons that are more compact with a noticeably shorter blade length from 6-iron to GW for precision where it’s most needed. The irons are finished with a non-reflective white-satin brush.

JPX923 Forged – Coming in February 2023

 A mid-sized, full body Grain Flow Forged iron delivering a perfect balance of ball speed, stability, and feel. Mizuno’s 3rd generation of Chromoly Forging (4-7 iron) incorporates a milling slot that extends wider to heel and toe. Paired with an even thinner clubface it creates their highest one-piece Forged ball speeds from an even greater portion of the clubface.  The irons showcase a thinner top line throughout, plus compact scoring irons (8-GW) and bevelled sole for improved turf interaction.