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Mizuno launches new JPX919 Tour, Hot Metal and Forged irons

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We knew Mizuno’s new JPX919 irons were coming soon when they popped up on the USGA Conforming Clubs list and GolfWRX Members were going crazy back in July. Our Two Guys Talking Golf podcast proceeded to dissect every millimeter of the photos. Then recently, Mizuno promised JPX919 irons on August 29 in a cryptic Tweet.

Now, all of the speculation is over. Mizuno has officially announced its new line of JPX919 clubs. The family consists of JPX919 Tour irons — the successors to the popular JPX-900 Tour irons that Brooks Koepka has now won three major with — JPX919 Forged irons, and JPX919 Hot Metal irons. The irons are now available through the Mizuno Performance Fitting System.

Each of the irons are designed with different metals and for different golfers. We have all of the information for you highlighted below, including photos of each of the irons.

In addition, we welcomed Chris Voshall, Mizuno’s Senior Club Engineer, back onto our Gear Dive podcast to get into the new JPX919 line. Listen to the full podcast on SoundCloud below, or click here to listen on iTunes!

See more photos of the Mizuno JPX919 irons in our forums.

JPX919 Tour irons

Mizuno’s JPX-900 Tour irons were initially designed with Brooks Koepka in mind, which is funny, because he’s now won three majors with those irons in the bag (2017 and 2018 U.S. Open, and 2018 PGA Championship). If you’re interested in hearing that full story, Voshall told it in-depth on our Gear Dive podcast.

The JPX919 Tour irons are the successors to those irons. They’re also Grain-Flow Forged from 1025E Pure Select Mild Carbon Steel for a soft feel, but the new versions are slightly smaller and more compact. According to Mizuno, the top edges have been narrowed by 10 percent compared to the JPX-900 Tour irons. Despite being made with a more compact shape, however, Mizuno says the irons offer “surprising stability for a compact players’ iron,” according to a press release.

That’s because the irons have a “stability frame” that maximizes weight distribution for off-center hits, and it also reinforces the topline and toe areas for sound/vibration dampening. The soles have also been made wider, but with more camber for enhanced playability, according to Mizuno.

They also have a zero-glare Pearl Brush finish.

The JPX919 Tour irons will be available in right-hand only, and will sell for $1,200 in an 8-piece set (3-PW), or $150 per club.

JPX919 Tour Specs

Click here for more photos.

JPX919 Hot Metal irons

While the JPX919 Tour irons are made from 1025E, the JPX919 Hot metal irons are made from High Strength Chromoly 4140M. The new Hot Metals have multi-thickness faces for greater ball speeds, and one-piece face cups. Like the JPX919 Tour irons, the Hot Metal irons have a stability frame to enhance stability at impact, but they also have Sound Ribs that are designed to to “hit specific vibration patterns that ensure a satisfying sensation,” according to Mizuno.

“The most impressive thing about the JPX919 Hot Metal is the launch control and flight apex,” says Voshall. “The extra ball speed and distance doesn’t come from low-flying bullets – we work the design backwards from the correct landing angles. These are irons for the golf course, not just the launch monitor!”

Also, the JPX919 Hot Metals have set-matching gap, sand a lob wedges that are made from softer X30 steel; the wedges have precision milled grooves for greater spin control, as well.

These irons are available in both left-handed and right-handed, and they will for $1,000 in 8-piece sets (4-LW), or $125 per club.

JPX919 Hot Metal

Click here for more photos.

JPX919 Forged irons

Mizuno’s JPX919 forged irons are made with a new engineering process; they’re “reverse milled,” meaning they’re CNC-milled from the sole up, thus creating a “larger area of minimum face thickness,” according to Mizuno. The result? The company’s “fastest ever one-piece forged irons in terms of measured ball speed.”

The JPX919 Forged irons are forged from 1025B mild carbon steel; Boron is infused into the steel, making it 30 percent stronger, according to Mizuno. The additional strength allows for a wider milling across the back of the face, according to Mizuno, which leads to greater energy transfer into the ball.

Mizuno’s JPX919-Forged irons will be available in both right-handed and left-handed. They will sell for $1,300 in an 8-piece set (4-GW), or for $163 per club.

JPX919 Forged

See more photos of the Mizuno JPX919 irons in our forums.

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37 Comments

37 Comments

  1. Jack Nash

    Sep 19, 2018 at 4:10 pm

    They build the nicest looking irons.

  2. Brad

    Sep 3, 2018 at 4:09 pm

    “…the irons have a “stability frame” that maximizes weight distribution for off-center hits, and it also reinforces the topline and toe areas for sound/vibration dampening.”
    This is exactly the weight distribution on the PING ZING iron design.

    • roger

      Oct 2, 2018 at 3:09 pm

      If Miz had put a high density tungsten plug low in the toe to displace the lower density steel, the hollow cavity would be larger and more forgiving… believe it

  3. Pr

    Aug 31, 2018 at 11:24 am

    I dunno………. that cavity has been stretched so far into the hosel it looks weird………… is that even safe? I’d have to look at it in person to see what would happen in the loft-lie machine when I go to bend it…………

    • Thomas A

      Sep 4, 2018 at 9:55 am

      No definitely not safe. Mizuno definitely did not test and retest these irons. They just pressed some out, attached them to shafts and will keep their fingers crossed.

  4. Scott

    Aug 30, 2018 at 7:40 pm

    Yawn…

  5. Eric

    Aug 30, 2018 at 3:31 pm

    I know all the superlative “fastest, best, most stable” etc is just the usual recycled industry hooey, but ooh do I want ’em! I think my old JPX 825 pros may be out of the bag.

  6. Haak

    Aug 30, 2018 at 3:53 am

    Interesting loft gaps on the forged between 9-8-7 irons? Error in the table or no? Strange.

    • dtowngolf

      Aug 31, 2018 at 8:00 am

      This is a type by the staff. My catalog I have is not as stated in this article. The gaps are 4 degrees and the 8 is 36. Hope this helps

    • Jerry G

      Sep 14, 2018 at 12:54 am

      It’s 32, 36, 41, 46, 51

  7. Jay Beezy

    Aug 29, 2018 at 2:03 pm

    I don’t understand how and why companies are still trying to tout distance and jack lofts stronger which are much harder to hit for the average player. You then have a ridiculous 5-6 degree gap on scoring clubs and a tight spread on 4-5-6- thus eliminating those clubs as hittable for most mid handicappers. So they end up with 3-4 usable clubs per set (7-PW) with 15 yard distance gaps between them and that would be for someone who can hit it solid. Couple with that shoddy ball striking and you have sets that are basically worthless for non single digit players. You can either advertise distance or playability but not both. a 20* 4 iron on the hotmetal is hilarious. Just stop. Someone has to lead, and sadly even Titleist and Mizuno caved in. Caveman golf.

    • jgpl001

      Aug 30, 2018 at 9:17 am

      Absolutely spot on, well said

    • chance

      Sep 4, 2018 at 1:05 am

      Completely agree. I think people just want to be able to say they hit their 7 iron 190 yards. Rather sad that we’re in this odd phase of equipment coupled with distance hype marketing.

      • ~j~

        Sep 7, 2018 at 9:37 am

        Yup. Got a budy who went with the new M3 irons, claims now he hits his irons the same distances I do with my weaker-lofted Mizzys. Doesn’t seem to get it though when I tell him his lofts are all 3-4* stronger per club than mine.

        In all fairness he does hit them better, more accurate, than his former set. I’d rather have better accuracy and feel than a few extra yards though anyday.

  8. koober

    Aug 29, 2018 at 1:02 pm

    That badge on the Forged head looks like it was stuck on by my 5-year-old grandson. Macaroni art-worthy. Also, no Tour model for left-handers? Again?? You’re driving me to Srixon…

    • Andrew

      Aug 30, 2018 at 7:36 pm

      Totally agree – so frustrating!! I would try/get those tours in a heartbeat if offered in left hand. I will look at the forged but it is frustrating. I’m old enougth to remember when the TP9 was the only ‘players’ club Mizuno had available to lefties (and of course i wanted the TP19!)

      • Chris H

        Sep 3, 2018 at 3:06 pm

        I’m with you too guys!! Tweeter this to Voshall who didn’t respond. Mizuno are simply not a viable option for me to even CONSIDER because the LH offerings suck. Another failure…

        • Jerry G

          Sep 14, 2018 at 12:56 am

          The forged are offered in LH

        • Steve

          Oct 8, 2018 at 1:32 pm

          Mizuno is in the business of turning a profit. There aren’t enough sets sold to justify the costs of molds and manufacturing. They aren’t Callaway.
          While I sympathize with LH golfers, it’s not a conspiracy. It’s about staying in business.

  9. koober

    Aug 29, 2018 at 12:56 pm

    Love my now decade-old Mizzy’s, but I echo my fellow left-handers in expressing my disappointment and frustration with Mizuno that the Tour’s are again not available to me. I love the way they’ve preserved a classic look while keeping up with technology, but I feel Mizuno is a bit backward and willingly blind in not offering all models in left hand version.

    • TwoLegsMcManus

      Aug 29, 2018 at 6:29 pm

      “a bit backward and willingly blind”
      As someone who fits many, many minority categories *as a consumer*, I empathize with the plight of lefties.

      Mizuno is simply a capitalist company behaving with modern capitalist guidelines. Ask any MBA.

      Left handers are 10% of the population, presumably the same % of golfers.

      If a company makes an iron that appeals to ~10% of its market (anything like the Tour falls into this category), potential LH sales are such a small percentage that it’s likely a loss.

      There was a time when companies would allow loss in some areas – to keep the minority customers – and “make it back” with their best sellers (plus maybe bags, caps, etc).

      Modern capitalism dictates that any “flavor” that’s 10% isn’t worth making at all. Big sellers only, big box, one size fits all. All lefties can play the single left-handed model we offer. OR, pay an enormous premium for something truly “custom”.

      (Under socialism, workers control production, you could guarantee left-handed everything.)

      • Eric

        Aug 30, 2018 at 3:36 pm

        That’s an interesting point…im actually a lefty as is my father, and we both play right handed. If we’re not completely unusual in doing so, and I don’t believe we are, my guess is the actual percentage of lefty golfers might be even lower, like closer to 5%.

        • Thomas A

          Sep 4, 2018 at 9:59 am

          I’m left handed, play right handed. My father and brother as well.

  10. 2putttom

    Aug 29, 2018 at 12:48 pm

    wonderful

  11. Josh

    Aug 29, 2018 at 12:40 pm

    Why does it look like the badge isn’t seated properly on that one picture of the Forged model?

  12. rex235

    Aug 29, 2018 at 12:20 pm

    Glad Voshall is so “stoked”…

    Just like we said a week ago-

    Mizuno JPX 919 Tour – RH Only.

  13. Caroline

    Aug 29, 2018 at 12:16 pm

    Great looking irons, but look at the pictures of that insert on the back. see the corner of badge sticking up like it almost doesn’t fit? Just like some of the Ping irons the badges catch dirt along with the look is like you slapped some lead tape on the back of your iron or maybe you like that 1950’s look.

  14. Patrick

    Aug 29, 2018 at 11:44 am

    Why did I even get my hopes up that the tour would be available left handed #dissapointed

  15. Walter

    Aug 29, 2018 at 11:37 am

    Nice looking but more jacked up lofts compared to my MPs. Yes not so much on the tour version but still jacked.

  16. Chris

    Aug 29, 2018 at 10:52 am

    Kudos for not going crazy with the lofts, PW at 45/46

  17. ht

    Aug 29, 2018 at 9:49 am

    Made them with Brooks in mind is right. wThe tours have a similar shape as the Nike Vapor Fly iron brooks uses, but admittedly much nicer.Those forged look good too

  18. Single Digit Lefty

    Aug 29, 2018 at 9:41 am

    I stopped reading at “right-hand only.” Mizuno apparently doesnt want to build a club for me. I have the 900 Forged now and I like them, but much prefer the look of the Tour version and was hoping this version would be available.

    I’m not mad, just disappointed.

    • Chilly Dipper

      Aug 29, 2018 at 9:54 am

      I’m totally on the same page. So frustrating..

    • Andrew

      Sep 11, 2018 at 9:08 pm

      Well on the plus side for us lefties perhaps the badge will actually fit on the left hand model to make up for the lack of a Tour in left hand. Ha! 🙂

  19. Andersuk

    Aug 29, 2018 at 8:39 am

    Gotta hand it to Mizuno, that tour looks good!

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Whats in the Bag

Chesson Hadley WITB 2024 (March)

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Driver: Titleist TSR3 (10 degrees, D1 SureFit setting)
Shaft: Mitsubishi Diamana D+ 70 TX

3-wood: Titleist TSR2+ (14.5 degrees, A1 SureFit setting)
Shaft: Mitsubishi Diamana D+ 80 TX

Irons: Titleist T200 (3), Titleist 620 CB (4, 5), Titleist 620 MB (6-PW)
Shafts: Graphite Design Tour AD DI 105 X (3), True Temper Dynamic Gold Tour Issue X100 (4-PW)

Wedges: Titleist Vokey Design SM10 (52-12F, 56-14F), WedgeWorks (60-K)
Shafts: True Temper Dynamic Gold Tour Issue S400

Putter: Odyssey White Hot OG 2-Ball
Grip: Odyssey

Grips: Golf Pride Tour Velvet

Ball: Titleist Pro V1x

Check out more in-hand photos Chesson Hadley’s clubs here.

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Whats in the Bag

Gary Woodland WITB 2024 (March)

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Driver: Cobra Darkspeed X (8 degrees)
Shaft: Accra TZ5 70 M5

  • The white circle that appears at the top of the face a removable sticker that’s used for launch monitor tracking, and Woodland removes it for competition!

3-wood: Cobra Darkspeed X (14 degrees)
Shaft: Accra TZ5 GW100 Prototype

7-wood: Cobra LTDx LS prototype (20 degrees)
Shaft: Accra TZ5 GW100 Prototype

Irons: Wilson Staff (18 degrees), Cobra King MB (4-PW)
Shafts: KBS Tour C-Taper Limited X

Wedges: Cobra SB (48), Titleist Vokey Design SM10 (52-08F, 56-14F), Cobra King (60)
Shafts: KBS Tour C-Taper Limited X (48 degrees), KBS Tour V-Ten 125

Putter: Scotty Cameron T-5 Proto
Grip: SuperStroke Zenergy Tour 3.0P

Ball: Titleist Pro V1x

Grips: Golf Pride Tour Velvet Cord

See more in-hand photos of Gary Woodland’s WITB in the forums.

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Equipment

Q&A: Martin Trainer on his Bobby Grace “Greg Chalmers” putter, 6.5-degree driver, and “butter knife” 2-iron

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As unbiasedly as I can put it, Martin Trainer has one of the coolest club setups in professional golf. (At some point soon, I’ll put together a top-10 list of “coolest club setups on Tour,” but I know that Trainer will be in the top-10)

What a lineup. He plays a 6.5-degree Wilson prototype driver, a 13-degree Wilson prototype 3-wood, a true blade Wilson Staff Model 2-iron, and a Bobby Grace “Greg Chalmers Commemorative” putter!

 

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I mean, look at this 2-iron from address…

To quote the great author R.L. Stine: “Goosebumps.”

On Wednesday at the 2024 Texas Children’s Houston Open, I caught up with Trainer to learn more about his bag setup.

Here’s what he had to say:

You have the Internet going crazy over your bag setup, and your putter. Where’d you pick the Bobby Grace-Greg Chalmers putter up? How long have you had it?

MT: This was from when Bobby Grace came to my course in California: Cal Club. And for whatever reason, they just started having them in the shop. So then I took my buddy’s, started using it, and made, like, a million putts in a row, which is how every putter story begins, I guess.

And then, I bought a couple of my own, used it for years, got to the Tour with it, won on Tour with it (the 2019 Puerto Rico Open). Then, about a year later, started using another putter, did that for a couple years, but now it’s back in the bag.

When did it come back in the bag?

MT: December of this past year. So a few months ago.

What year would you say was the first time you threw that in the bag, or, like, when you bought it?

MT: God…Probably, 2016, maybe? 2018?

Do you remember how much you paid for it?

MT: I don’t know, actually. Maybe $100-150 bucks or something. I think that’s the only golf club I’ve bought between high school and now. Well, two, since I bought two of them.

The driver is interesting, too. What went into the prototyping process?

MT: That was a version of the current driver, but it was the prototype that they first came out with for Tour guys to try. And for whatever reason, I just never switched out to the new one.

It’s just 6.5 degrees, right?

MT: Yeah. Very low loft, yeah.

What kind of ball speed do you have with that these days?

MT: Like high 170’s.

Yeah, that’ll work. And then a 2-iron blade? We’re seeing fewer and fewer of those out here.

MT: Yeah. The butter knife.

Very cool thing to have in the bag. Have you done any testing with driving irons? 

MT: Yeah, I used to have a thicker one, but it was a little offset, and I never hit it that well. And then finally, I started messing around with the butter knife. And I remember the first time I looked down at it, I was terrified. And then I ended up getting used to it, putting it in play, and it’s been in place since. It’s a pretty good club for me.

How far do you carry that? 

MT: Like 235.

A good little wind club, I’m sure.

MTL Yeah, exactly. I can hit it very low. It’s great.

I love it. You have people shook looking at that. Thanks for the time, man. 

MT: Absolutely.

To see more photos and discussion of Trainer’s bag, click here.

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