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
Steve Stricker WITB 2024 (April)
- Steve Stricker WITB accurate as of the Zurich Classic. More photos from the event here.
Driver: Titleist TSR3 (9 degrees, C4 SureFit setting)
Shaft: Fujikura Motore Speeder VC 7.2 X
3-wood: Titleist 915F (13.5 degrees)
Shaft: Mitsubishi Tensei CK Pro White 80 TX
Hybrid: Titleist 816 H1 (17 degrees)
Shaft: Fujikura Motore Speeder VC 9.2 X
Irons: Titleist T200 (3, 4), Titleist T100 (5-9)
Shafts: Project X 6.5
Wedges: Titleist Vokey SM8 (46-10F @55), Titleist Vokey SM10 (54-10S @53), Titleist Vokey SM4 (60 @59)
Shafts: True Temper Dynamic Gold X100 w/Sensicore
Putter: Odyssey White Hot No. 2
Ball: Titleist Pro V1x
Grips: Golf Pride Tour Velvet Grip Rite
Check out more in-hand photos of Steve Stricker’s clubs here.
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Whats in the Bag
Alex Fitzpatrick WITB 2024 (April)
- Alex Fitzpatrick what’s in the bag accurate as of the Zurich Classic.
Driver: Ping G430 LST (10.5 degrees)
Shaft: Fujikura Ventus Black 6 X
3-wood: TaylorMade Qi10 (15 degrees)
Shaft: Fujikura Ventus TR Black 7 X
Hybrid: Ping G430 (19 degrees)
Shaft: Fujikura Ventus Black HB 10 TX
Irons: Ping iCrossover (2), Titleist T100 (4-PW)
Shafts: Fujikura Ventus Black HB 9 TX (2), Nippon N.S. Pro Modus 3 Tour 120 X (4-9)
Wedges: Titleist Vokey Design SM10 (50-12F, 56-12D, 60-08M)
Shafts: Nippon N.S. Pro Modus 3 Tour 120 X
Putter: Bettinardi SS16 Dass
Grips: Golf Pride MCC
Check out more in-hand photos of Alex Fitzpatrick’s clubs here.
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Equipment
What’s the perfect mini-driver/shaft combo? – GolfWRXers discuss
In our forums, our members have been discussing Mini-Drivers and accompanying shafts. WRXer ‘JamesFisher1990’ is about to purchase a BRNR Mini and is torn on what shaft weight to use, and our members have been sharing their thoughts and set ups 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.
- PARETO: “New BRNR at 13.5. Took it over to TXG (Club Champ but TXG will always rule) in Calgary for a fit. Took the head down to 12, stuck in a Graphite Design AD at 3 wood length and 60g. Presto- numbers that rivaled my G430Max but with waaaaay tighter dispersion. Win.”
- driveandputtmachine: “Still playing a MIni 300. The head was only 208, so I ordered a heavier weight and play it at 3 wood length. I am playing a Ventus Red 70. I play 70 grams in my fairways. I use it mainly to hit draws off the tee. When I combine me, a driver, and trying to hit a draw it does not work out well most of the time. So the MIni is for that. As an aside, I have not hit the newest BRNR, but the previous model wasn’t great off the deck. The 300 Mini is very good off the deck.”
- JAM01: “Ok, just put the BRNR in the bag along side a QI10 max and a QI10 3 wood. A load of top end redundancy. But, I have several holes at my two home courses where the flight and accuracy of the mini driver helps immensely. Mine is stock Proforce 65 at 13.5, I could see a heavier shaft, but to normal flex, as a nice alternative.”
Entire Thread: “What’s the perfect Mini-Driver/Shaft combo? – GolfWRXers discuss”
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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.