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Mizuno brings the MP family closer together with its new MP-18 irons

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With its MP-18 iron family, Mizuno has narrowed the differences between its four new iron models to make mixing sets not only easier, but completely seamless.

Check out our WITB Page, and you’ll notice that most PGA Tour players are using combination iron sets. That means they’re playing muscleback short irons and cavity-back longer irons with thicker toplines and more forgiveness. This combo-set trend makes perfect sense; it allows golfers to use an iron set that gives them maximum control in their short irons where they want maximum control, and more forgiveness and distance in their long irons where they want more distance and forgiveness. Duh!

The problem is that most iron sets attempt to cater to the needs of muscleback players with their muscleback irons, cavity-back players with their cavity-back irons, and game-improvement players with their game-improvement irons. By segmenting iron families, it leaves gaps in looks, feel, playability, and distance for golfers who want to make their own combination set.

Mizuno has gone to great lengths to address that problem with its MP-18 iron family, which is intended to be mixed and matched. The MP-18 family includes four irons types:

  • MP-18 (Muscleback)
  • MP-18 SC (Split Cavity)
  • MP-18 MMC (Multi-Material Compound)
  • MP-18 MMC Fli-Hi

While the SC, MMC, and MMC Fli-Hi irons are larger than the MP-18 muscleback irons, they maintain the same sole, head profile, and topline ratios in their shaping. That means they look almost identical at address; they’re just slightly larger. Their lofts and pricing are also essentially identical. Only a trained eye will be able to tell any difference at all.

In terms of materials, Mizuno went back to its roots with the MP-18. The irons are forged from 1025E Pure Select Mild Carbon, a switch from the 1025 Boron the company was using in some of its MP irons in recent years. Boron was used because it is stronger than Mizuno’s 1025E carbon steel, allowing engineers to thin out structures within the irons for added distance and forgiveness. “That’s just not MP,” as one Mizuno representative put it.

With this launch, Mizuno strived to give the MP-18 irons the look and feel of irons that “could have been made 100 years ago,” the company says. They’re for players who want the best-feeling, best-looking irons they can play, with simple color schemes and classic shapes, while still getting maximum performance. There’s still a place for cutting-edge designs and materials in Mizuno players irons — just ask Brooks Koepka, who used the JPX-900 Tour irons forged from Boron to win the 2017 U.S. Open — but it’s not in the MP-18 line.

To get the artistic shaping the company desired in the MP-18 line, Mizuno brought its computer-designed club heads to Japan where its expert craftsmen refined the shapes. The club-grinding experts worked to blend the transition of the hosels into the club faces in a way that reduced the look of offset. They also dialed in toe and heel shapes while adding camber to the sole. These prototype models were used as the starting point for each of the MP-18 irons to ensure consistency through the lineup.

Despite their throwback looks, the company relied on new school technologies to refine the sound and feel of the irons. Mizuno’s stated goal with the irons was to extend impact frequencies so they not only feel softer, but so that golfers get more feedback on the club. To that end, the irons were forged with a new “Grain-Flow Forged HD” process. The company’s H.I.T. (Harmonic Impact Technology) was also used to dial in acoustics for enhanced feedback.

Below, we break down each of the individual offerings in the MP-18 family. The irons will sell for $149.99 each and will be available September 15.

Mizuno MP-18

In relation to previous Mizuno MP muscleback irons, the MP-18 irons are significantly smaller than the MP-5 irons and slightly smaller than one of Mizuno’s smallest modern muscleback irons, the MP-4. Their toplines appear thinner than they measure due to a camber that makes them look slimmer in the address position. In comparing topline thicknesses, the MP-18’s are thinner than the MP-5, but they’re a bit thicker than the MP-4.

The MP-18 scoring irons (9 and PW) are smaller in size than previous models. All of the irons in the set also have lower heel heights. “That’s what this player wants,” a Mizuno representative said.

The MP-18 irons will come stock with True Temper Dynamic Gold S300 shafts and Golf Pride MCC White/Black grips. They are right-handed only offerings.

Full Specs 

MP-18bladeSpecs

Mizuno MP-18 SC (Split Cavity)

The MP-18 Split Cavity irons feature what Mizuno calls a half-cavity design. Mass has been taken of the upper portion of the irons, focusing CG (center of gravity) lower in the club head for an easier launch and more forgiveness.

The MP-18 SC irons are only fractionally longer from heel-to-toe than the MP-18 muscleback irons. They’re also 0.5 millimeters taller and have soles that are 1.5 millimeters wider. With identical specs (aside from swing weight in the longer irons) and offset, these irons are designed to blend seamlessly into a combination set with the MP-18 muscleback irons regardless of where golfers decide to split their set.

The MP-18 SC irons come stock with KBS Tour shafts and are available for left- and right-handed golfers.

Full Specs

MizunoMp18scSpecs

Mizuno MP-18 MMC (Multi-Material Construction)

The MP-18 MMC irons are Grain Flow Forged from 1025E, but they use a multi-material construction to move weight to the center of the club heads to enhance moment of inertia (MOI), a measure of forgiveness. The more centered CG is achieved by adding 20 grams of tungsten, a material more dense than steel, in the toe section of the irons. An 8-gram titanium insert, which is lighter than steel, was also placed behind the club face and toward the heel section of the club.

The titanium insert is used in each of the MMC iron designs. Tungsten was not used in the 8, 9, and PW club heads, however, as it was not needed to center CG due in those clubs.

MizunoMMCconstruction

The MP-18 MMC are designed with 0.8 millimeters less offset more than the MP-18 and SC irons, but they also have 2 degrees less loft per head. According to Mizuno, however, each degree of loft that is added when bending an iron weaker adds 0.4 millimeters of offset. That means if a golfer matches the lofts of the MP-18 MMC irons to the MP-18 or MP-18 SC irons, offset will be essentially identical.

The MP-18 MMC irons will come stock with a Nippon Modus 120 shaft, and they’re a right-handed only offering.

Full Specs

MizunoMP18MMCspecs

Mizuno MP-18 MMC Fli-Hi

Offered in long-irons only (2-6 iron), the Mizuno MMC Fli-HI irons have an X-30 steel body material with club faces made from Maraging 1770HT steel, a high-strength material that can be made thinner to help create faster ball speeds.

MizunoTngsten

Mizuno made the toplines of its new Fli-Hi significantly thinner than its predecessor, the MP-H5 iron. The toplines are also cambered to look thinner than they measure, creating a look that will suit the eye of better players, according to Mizuno. Like the MP-MMC irons, the MMC Fli-Hi irons also have 20 grams of tungsten in their toes. The insert is forged into the inside of the cavity, however, and it sits behind the face. According to Mizuno, this design helps golfers hit higher shots with the irons and increases forgiveness.

The MP-18 MMC Fli-Hi irons will come stock with KBS C-Taper shafts, and are a right-handed only offering.

Full Specs

MMCfliHiMizunoSpecs

Discussion: See what GolfWRX members are saying about the MP-18 irons in our forums

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Andrew Tursky is the Editor-in-Chief of GolfWRX. He played on the Hawaii Pacific University Men's Golf team and earned a Masters degree in Communications. He also played college golf at Rutgers University, where he graduated with a Bachelor of Arts in Journalism.

11 Comments

11 Comments

  1. D

    Aug 8, 2017 at 2:23 am

    At least you feel special that you can do things that right-handers can’t.

  2. Mr Poopoo

    Aug 7, 2017 at 9:00 pm

    There goes my next paycheck

  3. D

    Aug 7, 2017 at 4:20 pm

    You would know all about being hopeless, you’re hopeless

  4. BRI

    Aug 7, 2017 at 2:13 pm

    Article is littered with errors.

  5. ShankLampard147

    Aug 7, 2017 at 2:04 pm

    No combo set if you’re left handed, which is a big fail. I wanted the sc18’s, but it feels like mizuno doesn’t want my money. No fli hi is a deal breaker for me. Add to that the blue wedges and I think they should just stop making left handed clubs altogether. Any self respecting lefty wouldn’t play Mizuno.

    • joro

      Jul 11, 2018 at 11:47 am

      What do most people need with a combo set. Is it skill or ego that they think it will make them a player with them in the Bag. I am a leftie and play with the Hot Metals in Leftie that more people need, they are strong, hit high and feel soft. And the Graphite shaft is a good one.

      So Leftie, take a good look at then, them, then are grrrrrrrrreat.

  6. Edit

    Aug 7, 2017 at 11:38 am

    Think you meant to say tungsten was not used in 8-paw heads of MMC. You wrote titanium.

  7. Tommy

    Aug 7, 2017 at 11:34 am

    I’m surprised by the fat soles on the 18’s. How’s that “classic Mizuno”? I’ll wait to see them in hand but that really pops the bubble for me…

  8. Tiemco

    Aug 7, 2017 at 10:19 am

    When you say the Fli-Hi iron’s are only offered in the long irons and then you put in parentheses 6-PW. I think you meant to write 2-6.

  9. Lee Shaw

    Aug 7, 2017 at 10:15 am

    Surely these MP18’s can’t be any good they are not over $3000 for 8 irons!!

  10. Dat

    Aug 7, 2017 at 8:57 am

    Sign me up! 3 Fli-Hi, 4-6 SC, 7-PW MB

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Mizuno announces new JPX 919 Tour Forged irons are coming August 29 (via cryptic Twitter post)

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While cryptic, it does appear Mizuno is announcing via Twitter that its new JPX 919 Tour irons are coming on 8/29/18. One would have to assume that means they will be launched on 8/29, not actually hitting retail on 8/29, but that remains to be seen.

We recently spotted a number of new irons on the USGA conforming list, including the JPX919 Tour irons pictured above, JPX919 Forged and JPX919 Hot Metal irons from Mizuno. So it’s likely that the JPX 919 Tour Forged irons won’t be alone in the JPX 919 family when they hit retail.

The JPX 919 Tour iron specifically pictured in the Tweet above seems to be the replacement for Mizuno’s JPX 900 Tour irons that Brooks Koepka used to win this year’s U.S. Open and PGA Championship. Learn more about the original JPX 900 Tour design from Mizuno’s Chris Voshal on our Gear Dive podcast.

Diving a bit deeper into the picture from Mizuno’s Tweet, it appears the JPX919 Tour irons will utilize Mizuno’s familiar Grain Flow forging, and will be made from 1025E; that’s based on the hosel stamping that says “GF Forged HD 1025E.”

Stay tuned for more info from Mizuno.

See what GolfWRX members are saying about the JPX919 Tour irons here.

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USA Stars & Stripes, European Flag Chrome Soft Truvis golf balls arrive

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Getting you in the Ryder Cup spirit a little more than a month from the competition in Paris, Callaway announced Chrome Soft European Truvis golf balls and new Chrome Soft X Truvis Stars & Stripes balls today.

The Carlsbad company is also bringing its popular Chrome Soft Truvis Stars & Stripes balls back to market.

The new European Truvis balls features a European-themed white, blue, and yellow design. Both Chrome Soft Truvis Stars & Stripes balls include a patriotic red, white, and blue pattern.

All models of these made-in-the-USA golf balls will be available at retail August 24th and will sell for $44.99.

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An Interview with T Squared putters, started by a high school golfer

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I’ve coached high school golf for over 15 years, and I thought that I had run out of “firsts.” Then, Anthony Tuber, one of our varsity six, told me that he builds putters. “Sure,” I thought. You purchase the components and assemble putters. Nice hobby to have. “No, coach, I build them from scratch. We have milling machines.” If that doesn’t catch your attention, not much will.

As a coach, you encourage your golfers from a base of experience, but I don’t have any club-making experience! The last time I played around with metal was in middle-school metal shop. In this particular case, the student is the coach, and the golfer is the teacher. I’m now the proud owner of a T Squared putter, and continue to be the proud coach of Anthony Tuber. He might be the next Bob Vokey, or Scotty Cameron, but for now, he is a varsity golfer and high school student. Oh, and he happens to make putters. Rather than write a review that might be perceived as biased, I decided to do a straightforward interview with T Squared Putters. If you want to learn more, visit the company website, or follow them on Twitter and on Instagram.

Question 1: What type of research and field testing did you do, prior to building your first putter?

Prior to making our first putter we bought a bunch of putters to see what we liked and disliked about them. Then we took those putters and tested them to figure out which roll we liked the best. The roll is determined by the weight of the putter the length and the groove pattern. After we completed the testing we drew up a design and shortly after that we had our first prototypes. We then tested those prototypes and they rolled exactly how we wanted. Time went by while we used these first putters but then we really wanted to see the competition. We went to the PGA Merchandise Show and that’s where we found out that we had a superior putter.

Question 2: Is there a style of putter that you like, that perhaps served as inspiration for some of your designs?

We bought and tested dozens of putters but two putters caught our eye and those putters are the Scotty Cameron Squareback and the Scotty Cameron Newport 2 Notchback.

Question 3: Can you tell us a bit about the materials/components that you chose for T Squared Putters?

We use American-made 303 stainless steel in all of our putters, but we also we use 6061 aircraft aluminum for the insert on the 713i.

Question 4: How do you balance your responsibilities and commitments, with your T Squared production?

During the school year academics are my number one priority. Over the summer I have been balancing my Tsquared putters work while working on the progression of my golf game. Fortunately I have a team that is very supportive of my vision for T Squared putters.

Question 5: Any chance we will see a mallet-style putter from T Squared?

Yes, we are currently testing other mallet putters to determine the most desirable features for our mallet putter. We are anticipating a prototype soon.

Question 6: Are you a better putter now that you know so much more from the design and production side of putters?

Yes, I have an entirely different perspective when I stand over every putt.

Question 7: How do you get the word out about the quality of your putters?

We have been very active on social media. The golfers that are currently using a Tsquared putter have been spreading the word. We have also been attending local golf tournaments to establish our brand.

Question 8: Do you hope to make a career of this venture, or do you envision it as a step along the path of a 21st-century businessman?

Yes, as golf is my passion I hope to take Tsquared putters to the next level. Golf will always be a part of my life whether it is professionally or recreationally.

Question 9: Finally, what question haven’t we asked, that you wish we would? Ask it and answer it, please.

I haven’t been asked how this process has affected me as a person. As a 17 year old I have a new appreciation for patience, persistence and hard work.

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