Mizuno JPX 925 Forged Irons

Mizuno has consistently pushed the boundaries of club design with the JPX line, focusing on tooling and materials to cater to golfers seeking ball speed, distance, and forgiveness above all else. However, there is one segment of the JPX line that stands out by offering these attributes in a much different design. Today, we’re excited to discuss the highly anticipated Mizuno JPX 925 Forged irons.

In August, Mizuno launched their latest JPX irons series, the JPX 925. This release featured three models: the Hot Metal, Hot Metal HL and Hot Metal Pro, all packed with advanced technology. If you haven’t yet read our feature article on these irons, feel free to check it out here.

Mizuno JPX 925 Forged Irons

Mizuno’s JPX Forged line has undergone a significant speed revolution over its last two iterations. It began with the 921 Forged, Mizuno’s first full-body Chromoly forged iron. Chromoly is a strong and lightweight material that enabled the 921 model to achieve increased speed. The evolution continued with the 923 Forged, where Mizuno succeeded in making the clubface even thinner and wider, resulting in more consistent ball speeds and a clubhead that offered a lot of performance for its compact size. Now, for the new 925 Forged, Mizuno is introducing what they describe as the most dramatic performance enhancement in the history of the JPX Forged line.

The Design – Mizuno JPX 925 Forged

CORTECH Design with Contour Ellipse Face

The new JPX Forged irons, like the JPX 925 Hot Metal lineup, will feature the benefits of Mizuno’s CORETECH Design along with the innovative Contour Ellipse Face. The image below displays the face pattern showing the significant changes these faces have undergone. This new face construction allows for the highest Coefficient of Restitution (COR) and CORAREA that Mizuno has ever achieved in the history of JPX Forged irons. We have seen the positive effects of the Contour Ellipse Face in the Hot Metal range, and it is exciting to consider the potential for increased speed and improved speed retention across the face of the forged head.

Materials

When discussing the construction of the JPX Forged irons, it’s important to note that they do not feature a hollow body design. Instead, Mizuno employs a one-piece billet forging process to create these clubheads. While this set includes variations in both materials and technology, all clubheads utilize Mizuno’s Grain Flow Forged HD process.

Mizuno JPX 925 Forged Irons hero shot of the 7 iron

The long and mid-irons, specifically the 4-7 irons, are forged from Chromoly 4120, a strong material with several advantages, including durability and the ability to create thinner club faces. Additionally, these irons feature the Contour Ellipse Face technology mentioned earlier.

In contrast, the scoring irons (8-GW) are crafted from 1025E Pure Select Mild Carbon Steel. This end of the bag is where golfers will experience the legendary feel associated with Mizuno’s forged clubs. Together, the entire set is designed to provide speed and forgiveness where it’s most needed while also emphasizing feel and precision for the crucial short irons.

Triple Cut Sole

The new Triple Cut sole of the Mizuno JPX 925 Forged irons

We’ve all heard the saying: nothing feels quite like a Mizuno. When we discuss the unique feel of a Mizuno club, it involves more than just how the ball reacts off the clubface. While their forgings provide incredible softness and their Harmonic Impact Technology ensures a pleasant and consistent sound at impact, turf interaction is another factor to consider. Mizuno utilizes their Triple Cut Sole, which features a beveled leading edge and a sharply cut trailing edge. This design allows the clubhead to glide efficiently through the turf, ensuring a cleaner entry and smoother exit. The consistency of this sole enables the JPX 925 Forged irons to be confidently used from a wide variety of lies.

Where does it fit?

Golfers who aren’t very familiar with Mizuno’s lineup may wonder where the JPX 925 Forged irons fit in. Starting from the top of the JPX lineup, the HL model is designed for golfers who need help achieving extra initial launch. The Hot Metal is the line’s flagship, offering game-improvement features that deliver significant ball speed and distance. The Hot Metal Pro provides many of the same benefits but comes in a more compact version. 

The JPX 925 Forged irons occupy a middle ground between the Mizuno Pro (MP) series and the JPX Hot Metal line. They have a smaller profile and lack the tungsten benefits found in other JPX irons. However, they provide a look akin to a player’s iron while maintaining a balance of distance, forgiveness, and the classic Mizuno feel.

Dark Side of the Forged

Mizuno JPX 925 Forged Irons in limited edition Forged Black

JPX 925 Forged comes in its traditional satin chrome finish, which will undoubtedly be a welcome sign for Mizuno fans. It’s a classic look that always looks great in the bag. But it’s not coming to the market alone. Launching alongside the Satin Chrome version is the all-new Forged Black Limited Edition, which looks sleeker and is an option for those looking to reduce glare on the course. Whereas the 925 Forged is paired with a KBS C-Taper Lite steel shaft or Mitsubishi MMT graphite shaft, the Forged Black is appropriately matched with a Dynamic Gold Mid 115 Tour Issue Gunmetal shaft. 

Mizuno JPX 925 Forged Irons 7 iron in forged black

If neither of those shafts suits your preference or swing, Mizuno offers a shaft optimizer to help determine a player’s Swing DNA. By taking just three swings, Mizuno’s software will recommend several shaft options, the ideal lie angle, and set makeup. As part of this fitting experience, the Shaft Optimizer measures various factors, including head speed, tempo, toe down, kick angle, release factor, lie angle, attack angle, and shaft lean. After analyzing this data, the software will recommend three golf shafts based on your swings. For golfers who struggle to find the perfect shaft, the Mizuno Shaft Optimizer is designed to guide you in the right direction.

Mizuno JPX 925 Forged Standard Specs

Mizuno JPX 925 Forged Irons loft specs

At long last, the JPX 925 iron lineup is complete! I am excited to see how the introduction of the Contour Ellipse Face will enhance performance and if the impact is as significant as seen in the Hot Metal irons. Having played two previous generations of JPX Forged irons, I look forward to experiencing the differences this new model offers.

The Details – Mizuno JPX 925 Forged

The JPX 925 Forged and JPX 925 Forged Limited Edition Black will be available online and in stores starting February 3rd. For more information on the entire JPX 925 lineup, visit www.mizunogolf.com.

Price: $200/per club for 925 Forged, $215/per club Forged Black
925 Forged available in RH and LH 4-GW
Forged Black 4-GW RH only

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Dean DeCrescenzo is a THP staff writer that currently resides in upstate New York. He has been a member of The Hackers Paradise for over 7 years and been involved with a number of THP events.