Equipment
New Mizuno JPX923 irons: Everything you need to know
What you need to know: Mizuno is launching the successor to its JPX921 series. Engineers leveraged the company’s custom-fitting program — including data from 350,000 golfers — in the creation of the JPX923 series, which includes five models: JPX923 Tour featuring a new V-Chassis and thinner topline, JPX923 Forged with features Mizuno’s third generation of chromoly forging, JPX923 Hot Metal, JPX923 Hot Metal Pro, and JPX Hot Metal HL all featuring new, faster 4335 nickel chromoly, which is 35 percent stronger than Mizuno’s original chromoly.
Mizuno JPX923 irons: What’s new, key technology
JPX923 Tour
Featuring a copper underlay for “Mizuno feel,” the JPX923 Tour is one-piece Grain Flow Forged in Hiroshima Japan from 1025E Pure Select mild carbon steel. Narrower top line and sole in tandem, more rounded trailing edge for cleaner turf interaction. Features Mizuno’s new ‘V-Chassis’.
“The goal was to engineer a compact, players cavity back that looked and felt like a muscleback at impact. With the copper underlay and new topline, the JPX923 Tour is right there,” says David Llewellyn.
JPX923 Forged
Mizuno’s third-generation of chromoly forging places a wider milling slot heel to toe in the 4120 chromoly 4 through 7-irons as well as well as a thinner clubface. JPX923 Forged are mid-sized, full body Grain Flow Forged irons with a thinner topline and bevelled sole throughout. The scoring irons (8-GW) also feature more compact design and are forged from 1025E Pure Select mild carbon steel.
“The new JPX923 Forged pulls off two impressive achievements. First it feels more solid even though it’s faster from the face. Second, it looks sleeker with a thinner topline and narrower sole even though it plays more forgiving,” says Chris Voshall, Mizuno’s Director of Product.
JPX923 Hot Metal, Hot Metal Pro, Hot Metal HL
With the JPX923 Hot Metal, Mizuno introduces “4355 nickel chromoly,” which is 35 percent stronger than the original Hot Metal material and allows for an eight-percent thinner clubface. Cup face construction works in tandem with a deep center of gravity for high launch with stopping power.
Mizuno developed Hot Metal Pro, Hot Metal and Hot Metal HL (High Launch) from 175,000 real golf swings recorded via Mizuno’s Swing DNA system and describes the three models as follows.
- 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.
What Mizuno says
“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.”
“We’re constantly evolving the JPX series based on more than 175,000 unique swings we capture every year on the Mizuno Shaft Optimizer,” says Bill Price, Mizuno’s Director of Fitting. “Recently we’re seeing an increase in the number of players with slightly slower swing speeds being fitted – and a trend to more shaft lean. Hence a slight increase in bounce angles through all the models and the introduction of the Hot Metal High Launch.”
Resident Club Junkie Brian Knudson’s take
Note: GolfWRX has not yet gotten an in-hand look at the JPX923 Tour or Forged irons.
Mizuno’s Hot Metal HL irons look easy to hit and high flying with their larger sole and longer heel to toe shape. You can see some of the tech that is packed into these irons around the badge like the Harmonic Impact ribs and the Stability Frame. Like you would expect from Mizuno the finish quality and badging all look very good and catch your eye without the need for wild colors.
The Mizuno Hot Metal irons look to be the bread and butter of the lineup. The Hot Metal features a little smaller footprint than the HL, less offset, thinner top line, and narrower sole. The look from address will please most golfers and it is still packed with the technology for easy distance and effortless launch.
Hot Metal Pro irons are the smallest of the three but should still offer a great combination of looks and performance. They are still a little longer from heel to toe while offering the least offset and thinnest toppling of the group. The short irons are shaped really well and the whole set flows great from 4 iron down to the pitching wedge.
What they look like
JPX923 Hot Metal Pro
Mizuno JPX923 Hot Metal
JPX923 Hot Metal HL
Pricing and availability
JPX923 Hot Metal Pro: 4-PW RH and LH
JPX923 Hot Metal: 4-LW RH and LH
JPX923 Hot Metal HL: 5-SW RH only
Tour, Forged will hit retail in February of 2023. Hot Metal models at retail late September.
- JPX923 Tour/Forged – $187.50 per club
- JPX923 Hot Metal/Hot Metal Pro/Hot Metal High Launch – $137.50 per club
Loft comparisons to JPX921
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Whats in the Bag
Russell Henley WITB 2024 (March)
- Russell Henley WITB accurate as of the Cognizant Classic.
Driver: Titleist TSi3 (10 degrees, B1 SureFit setting)
Shaft: Project X HZRDUS Smoke Black 70 6.5 TX
3-wood: Titleist TS3 (16.5 degrees, D1 SureFit setting)
Shaft: Project X HZRDUS Smoke Black 80 TX
Hybrid: Titleist TSi2 (21 degrees)
Shaft: Mitsubishi MMT Hybrid 100 TX
Irons: Titleist T100 (4-9)
Shafts: True Temper Dynamic Gold AMT (4-6), True Temper Dynamic Gold Tour Issue S400 (7-9)
Wedges: Titleist Vokey Design SM10 (48-10F @47, 50-08F @51, 54-10S, @55, 60-04T)
Shafts: True Temper Dynamic Gold Tour Issue S400
Putter: Scotty Cameron T5 Prototype
Grips: Golf Pride Tour Velvet
Ball: Titleist Pro V1x
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Whats in the Bag
Vince Carter WITB 2024 (March)
- The NBA legend was teeing it up in the Arnold Palmer Invitational Pro-Am.
Driver: Ping G430 Max 10K (9 degrees)
3-wood: Ping G430 Max (15 degrees)
7-wood: Ping G430 Max (21 degrees)
Irons: Ping i230 (4-PW)
Wedges: Ping Glide 4.0 (50, 54, 58)
Putter: Ping
Ball: Renegade Mbu
Check out more photos of Vince Carter’s WITB here.
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Equipment
From the Forums: I need more forgiveness in my irons – Looking for recommendations
In our forums, our members have been discussing the most forgiving irons currently on the market. WRXer ‘TheShark1’ is on the hunt for a new set of irons, saying:
“Currently gaming the Mizuno Pro 225’s but think I need more forgiveness in my irons. My well struck shots are real nice, but my mishits are not performing as good as I had hoped anymore. I really like hollow body irons so if I could find something more forgiving in a hollow body iron that would be great.
Open to any and all recommendations other than Ping. Can’t hit Ping irons at all.”
And our members have been sharing their best suggestions in our forum.
Here are a few posts from the thread, but make sure to check out the entire discussion and have your say at the link below.
- AvidSwampThing66: “Another vote for the super forgiving and fast Paradym irons. They look really good for being a GI iron.”
- bobfoster: “I just went from MP20 MMCs to the new 245s in my scoring irons (just played my first round with them today). If you have a chance to try them, you might find them worth a serious look.”
- vman: “Shoot me down, but spend the money on lessons.”
- J_Tizzle: “i525s are great off the heel in my opinion.”
Entire Thread: “From the Forums: I need more forgiveness in my irons – Looking for recommendations”
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Pingback: Best irons in golf of 2023: Easiest to launch – GolfWRX
Jub
Sep 24, 2022 at 9:35 am
Mizuno has a sh$t ton of irons out
Ben Hoagie
Sep 23, 2022 at 12:14 pm
Currently playing forged 921’s 6-pw. If I were to get the 923 version, I’d get 5i, 7-9i; weaken lofts 1* on the 5, 8, & 9. Throw in 46 and 52 Ping Glide 4.0 and 58 TM hi toe.
DD
Sep 23, 2022 at 11:06 am
The lofts on the Forged are just silly now. 3-degree gaps in long irons and 5-degree gaps in scoring irons. Makes no sense for that level of player. I wouldn’t even consider full set of the Forged.
At least you can still go forged with the 4i or 4i+5i and then go Tours for the rest of the set. Gets you 4-degree gaps throughout.
Brian
Sep 24, 2022 at 3:08 pm
Other than the 6 to 7, it’s pretty much the same gapping going all the way back to the 850 Forged.
Skip
Sep 23, 2022 at 9:58 am
42.5 degree PW WTF lol
Bob
Sep 24, 2022 at 7:03 pm
But your buddies are jealous how far you hit the wedge now and will run out to buy the same irons as you.
Everything is a lie or a scam now.