Mizuno JPX 923 Vs Mizuno Pro 245 Irons

Today we are comparing the merits of Mizuno’s Pro and JPX line of irons.

Mizuno JPX923 Irons Overview

“I used the JPX 923 Hot Metal irons which feature a cavity back design, V-chassis and chromoly nickel construction.”

The JPX 923 Hot Metals have moderate-width soles, relatively wide top lines and a tapered blade length. It looks forgiving most of all.

The JPX 923 launches high and imparts good spin on the ball. But there is a lack of stability so sometimes the spin gets out of control. The JPX 923’s range from $900-$1200.

Mizuno Pro 245 Irons Overview

Mizuno Pro 245 Irons

“The Mizuno Pro 245s feature hollow-body design, a soft copper underlay and are forged from 1025E carbon steel.”

They have a sleeker profile than the JPX 923s and have narrower soles and top lines – a good blend of blade-like and distance features.

The turf interaction was also excellent and produced favorable launch even on fat shots.

I also gained a bit more distance thanks to the hollow-body design. The Mizuno Pro 245’s cost $1400.

“The JPX 923s may be more inherently forgiving; but they lack the control and consistency of the grain flow forged Mizuno Pro 245 irons.”

Mizuno JPX 923 Hot Metal Irons First Impressions

Straight out of the gate the JpX 923 look great, they are not big and chunky like some game improvement irons, but they are not the most forgiving irons on the market either. One thing is for sure, the 923 Hot Metal irons are built for distance.

The irons come in 3 flavors:

JPX 923 Hot Metal High Launch – for slower swing speeds to get the ball in the air.

JPX 923 Hot Metal – Perfect for Mid Handicappers looking for distance, forgiveness and stability.

JPX 923 Hot Metal Pro – Aimed at consistent iron strikers with more precision, control and workability. Likely to compete with the forged version and the

The next thing that stands out is the V-Chassis on the back which completes the excellent looks of the irons.

It also adds stability to the club face, improves the feel and dampens vibrations on any mishits.

These clubs are faster thanks to the new Nikol Chromoly material that the cup face, and cavity back designed clubs are made with.

It is 35% stronger which a stronger impact and more distance. It also allows the club face to be 8% thinner meaning a better energy transfer. The thinnest point of the face is now also 18% larger and the bigger sweet spot results in better shots on the off-center strikes.

More bounce and stronger lofts also add to the effect of more distance and a higher loft. The extra bounce helps to generate a higher ball flight.

While not being the most forgiving of game improvement irons, they look excellent at the address and offer a ton of distance for players with moderate to average swing speeds and beyond.

The Hot Metal irons are not going to be the best option for beginners and inconsistent strikers but they will be excellent for anybody looking for maximum distance and excellent control, especially in the shorter irons.

Mizuno Pro 245 Irons – First Impressions

“My first impression of the Mizuno Pro 245 irons was that they looked shockingly similar to the Mizuno Pro 225’s.”

In fact, I set both of them down beside each other and could barely tell the difference.

The scoring lines and hitting in the Mizuno Pro 245 irons are a little lighter in color than the 225’s; but other than that, the 245’s are as compact as the 225’s.

The good news about all that is that the Mizuno Pro 245 irons truly do look like blades even though they technically aren’t blades.

So you get that clean, blade-like look at address with the bonus of a true distance boost.

Irons 2-7 in this set have a suspended tungsten weight which allows for a lower CG without inhibiting face flex.

As a result I was getting great ball speed – 117.4 MPH with the 7-iron on average.

But in the scoring irons, you have a 1025E semi-hollow body with a 17-4 stainless steel back piece to help control the flight a bit more and get the CG a bit higher.

This provides a more solid feel, better feedback and better overall control over spin and launch.

The Mizuno Pro 245 irons also produced near-immediate distance for me. Within the first three swings I was averaging a carry distance of 170.5 yards with the 7-iron.

But what surprised me even more than the distance were the spin rates.

As a player’s distance iron, I was expecting some low spin numbers. But my average spin rate with the Mizuno Pro 245 7-iron was 5200 RPMs.

And keep in mind that these are relatively strong-lofted irons – the 7-iron checks in at 30°.

Mizuno JPX 923 Hot Metal Iron Selling Points

New Nikol Chromoly Material
3 Versions To Suit Different Golfers
50 Custom Shaft Options
Stronger Lofts & More Bounce
Around 10% More Distance Than The JPX 921’s
8% Thinner Face
18% Bigger Sweet Spot

Mizuno Pro 245 Irons Selling Points

Long irons are forged from chromoly
Scoring irons are forged from 1025E carbon steel
Hollow body design
Suspended tungsten weighting in the long irons
Increased bounce angle for better turf interaction
17-4 stainless steel back piece in the scoring irons
431 stainless steel back piece in the long irons
Blade-like appearance

Who Are The Mizuno JPX 923 Hot Metal Irons for?

The 923 Hot Metals are for players looking for a lot of distance from a highly stable club that offers a lot of control and workability in the shorter irons.

The High Launch version is more offset, more forgiving and easier to get into the air for slower swing speeds.

The Regualr version will suit high to mid handcappers looking for distance, easy launch and consistency.

The Pro version is more compact and workable with a smaller blade and is aimed towards the better strikers who will also have other options from Mizuno for their handicap range like the Forged and Tour versions which will be released in early 2023.

Mizuno JPX 923 Hot Metal Club Specs

Club	Loft	Lie Angle	Offset	Length
4 Iron	19°	60	“0.233”	“38.5”
5 Iron	22°	60.5	“0.22”	“38”
6 Iron	25°	61	“0.208”	“37.5”
7 Iron	28.5°	61.5	“0.196”	“37”
8 Iron	33°	62	“0.18”	“36.5”
9 Iron	37.5°	62.5	“0.159”	“36”
PW	42.5°	63	“0.135”	“35.5”
GW	48°	63	“0.098”	“35.25”
SW	54°	63	“0.082”	“35.25”
LW	60°	63	“0.065”	“35.25”

Mizuno JPX 923 Hot Metal HL Club Specs

Club	Loft	Lie Angle	Offset	Length
5 Iron	25°	60.5	“0.257”	“38”
6 Iron	28°	61	“0.245”	“37.5”
7 Iron	31°	61.5	“0.233”	“37”
8 Iron	35°	62	“0.204”	“36.5”
9 Iron	40°	62.5	“0.176	“36
PW	45°	63	“0.147”	“35.5”
GW	50°	63	“0.127”	“35.25”
SW	55°	63	“0.106”	“35.25”

Mizuno JPX 923 Hot Metal Pro Club Specs

Club	Loft	Lie Angle	Offset	Length
4	19°	60	“0.155”	“38.5”
5	22°	60.5	“0.147”	“38”
6	25°	61	“0.139”	“37.5”
7	28.5°	61.5	“0.131”	“37”
8	33°	62	“0.122”	“36.5”
9	37.5°	62.5	“0.114”	“36”
PW	42.5°	63	“0.106”	“35.5”

Distance: 98/100

Forgiveness: 93/100

Accuracy: 93/100

Feel & Control: 95/100

Overall Score: 95/100

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Who Are the Mizuno Pro 245 Irons for?

“The Mizuno Pro 245 irons are for the player that really wants the look of blades with the performance of distance irons.”

I can imagine that 13-about 22 handicappers will really like these irons. Of course, as Mizuno irons, the short irons are very workable.

You can feel every nuance of your contact and get a keen sense of overall control.

But it’s the mid and long irons that really impressed me. They will be great for mid and high-ish handicappers who need help staying on the green.

They also don’t look like your typical player’s distance irons.

They aren’t as compact as blades; but everything else is blade-like. The top line is thin, the soles are compact and the offset is nearly non-existent.

The Mizuno Pro 245’s would be great for the player who isn’t quite ready to graduate to blades; but still wants blade-like feel, looks and performance.

The Mizuno Pro Family of Irons

The Mizuno Pro 225 irons have a nearly identical profile to the Mizuno Pro 245’s.

They also share the same grain-flow forging and hollow body design. But the Pro 225’s spin a bit lower than the Mizuno Pro 245’s and have a more penetrating flight.

Distance: 97/100

Accuracy: 97/100

Forgiveness: 95/100

Feel & Control: 98/100

Mizuno Pro 245 Irons