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Mizuno’s 2013 Iron Lineup: Function and Feel



Mizuno makes a full line of golf equipment, but the company is best known in the golf world for its premium irons.

Most of the buzz comes from Mizuno’s compact forged irons that are popular with tour players and low-handicappers around the globe, but the company has also made several game improvement models in recent years that have been a hit with mid- and high-handicappers.

mp-64mizuno 825 pro
mizuno h4mizuno 825

For 2013, Mizuno has released four different iron models that will cover everyone from tour players to high handicappers. The lineup includes two players irons, the MP-64 and JPX-825 Pro, which will appeal to low-to-mid handicappers, as well as the MP-H4 and JPX-825 — extremely long and easy to hit clubs that will work well for golfers of all abilities.

In typical Mizuno fashion, three out of four of the irons are made using the company’s “Grain Flow” forging process. The lone hold out, the JPX-825, is the longest and most forgiving iron Mizuno has ever made, and offers the clean looks golfers expect from a Mizuno game improvement club.

Check out our full breakdown of Mizuno’s 2013 iron lineup below.

MP-64 Irons

The Story: With the MP-64, Mizuno engineers set out to make the best-feeling iron possible. The result was a Diamond Muscle design that placed more weight behind the sweet spot, bringing back the soft, solid feel at impact that has made Mizuno the irons of choice for many serious golfers for decades.


The MP-64s are used on the PGA Tour by Mizuno Staffers Luke Donald and Charles Howell III, but you don’t need to be a tour player to game them. They have bigger, deeper cavities in the long irons that make those clubs easier to hit, as well as more meat behind the sweet spot in the shorter irons that gives shots a flatter, more controllable trajectory.

[youtube id=”lWj4LJ-HhQc” width=”600″ height=”338″]

Construction: Grain Flow Forged 1025E “Pure Select” Mild Carbon Steel
6 Iron Loft: 30 degrees
Stock Shaft: True Temper Dynamic Gold S300
Handicap Range: +2 to 10
Price: $999

Click here to read the full MP-64 Iron review

mizuno 2013 mp 642Y9G1935

Click here to read the full MP-64 Iron review


Mizuno JPX-825 Pro

The Story: The JPX-825 Pro irons have larger, deeper cavities than the MP-64, which are CNC milled to allow engineers as much as 17 grams of discretionary weight to move to the heel and toe sections of the club for more forgiveness, particularly in the long irons.

But these irons are stamped “Pro” for a reason. Mizuno returned much of the discretionary to the area behind the sweet spot in the short irons, providing better feel and workability. They also feature a “tour confirmed triple cut sole design” that Mizuno says creates ideal turf interaction from anywhere on the course.

Click here to read the full Mizuno JPX-825 Pro Review

mizuno 825 pro 2013

Construction: Grain Flow Forged 1025E “Pure Select” Mild Carbon Steel
6 Iron Loft: 29 degrees
Stock Shaft: True Temper Dynalite Gold XP (R300, S300)
Handicap Range: 6 to 18
Price: $899

Click here to read the full Mizuno JPX-825 Pro Review

2Y9G4743mizuno 825 pro face

Click here to read the full Mizuno JPX-825 Pro Review


Mizuno MP-H4 Irons

The Story: The MP-H4 are actually three different types of irons — the 2 through 4 irons have a hybrid-like hollow construction, the 5 through 7 irons feature a smaller hollow area and the 8 through PW have no hollow area. This creates high-COR, high-launching long irons and more precise short irons that are bridged by the “half-hallow” mid irons.

The blend of feel and function has made the MP-H4’s a popular long-iron alternative for tour players, and a hit for golfers who don’t want to sacrifice feel, but need a wider sole and more forgiveness than the JPX-825 Pros can provide.


Construction: Grain Flow Forged 4315 Mild Carbon Steel
6 Iron Loft: 30 degrees
Stock Shaft: True Temper Dynamic Gold S300
Handicap Range: 2 to 14
Price: $1099

[youtube id=”3rnYNLHoSgc” width=”600″ height=”338″]



Mizuno JPX-825 Irons

The Story: The JPX-825 have extreme heel-toe weighting and extremely high-COR faces in the long and mid irons, making them the longest and most forgiving irons in Mizuno history. But the 8 iron, 9 iron and pitching wedge have slightly less hot faces to give golfers more control and workability.

mizuno jpx-825 iron review

To keep the JPX-825’s from feeling like shovels, Mizuno engineers added a multi-material electroform badge that tunes sound and feel, which is as cool looking as it is functional.
[youtube id=”wT2avLyG6eY” width=”600″ height=”338″]
Construction: Cast
6 Iron Loft: 28 degrees
Stock Shaft: True Temper Dynalite Gold XP (R300, S300)
Handicap Range: 10 to 28
Price: $699


Comparison Photos (all but MP-64)



Cavity Design. Top to bottom: JPX-825, MP-H4, JPX-825 Pro.


Sole design and width. From Left to right: JPX-825, MP-H4, JPX 825 Pro.


View at address. From Left to right: JPX-825, MP-H4, JPX 825 Pro.

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GolfWRX is the world's largest and best online golf community. Expert editorial reviews, breaking golf tour and industry news, what to play, how to play and where to play. GolfWRX surrounds consumers throughout the buying, learning and enrichment process from original photographic and video content, to peer to peer advice and camaraderie, to technical how-tos, and more. As the largest online golf community we continue to protect the purity of our members opinions and the platform to voice them. We want to protect the interests of golfers by providing an unbiased platform to feel proud to contribute to for years to come. You can follow GolfWRX on Twitter @GolfWRX and on Facebook.

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  1. PMonty

    Dec 15, 2013 at 12:16 pm

    A bit late with this response; in the past two months I’ve hit almost every Mizuno and Titleist trying to find the perfect feel and distance as I’m getting older; I’m 65 with a 3 handicap and had to give up my 210 AP2’s due to loss of distance with Project X reg shafts. Not strong enough to flex the shaft. The shaft is the key and the head to me is secondary. I found the Mizuno jpx 825’s to have a great feel and great distance with the NS 950 shaft; 10 to 15 yds longer than my old Ap2’s and 5-7 yds longer than the 825 pros. I found the AP1’s with the DG Reg shaft to be heavy and clunky; lacking feel. The Adams CB2’s with the NS 850 gh shaft were sweet; great distance and high ball flight with a sweet feel.

    • DMC

      Dec 28, 2013 at 10:36 pm

      I don’t like to rain on anyone’s parade, but the reason you picked up 10-15 yards on the 710 AP2s is because the JPX-825s are 3 degrees stronger loft, unless either set is being customized. Folks should be aware that this is the common reason “new” iron sets are longer than old ones, not major design improvements.

  2. golfa8

    Jul 18, 2013 at 9:18 am

    Had a set of 825’s with graphite shafts. They are 1″ longer than standard which is how Mizuno does it with graphite. Just be aware of that and stand tall or choke down.

  3. gary

    May 16, 2013 at 7:00 am

    i have mx900 irons now what new irons would compare to them

  4. Nutinpa

    May 13, 2013 at 2:15 pm

    Has anyone tried and compared the current JPX 825 Pros…vs. the MPH4s? I have a 6-7 year old set of MX 23s and looking to upgrade and stay in the Mizuno “family”…while seeking a hint of more forgiveness. In other words, stay with what I enjoy playing while finding a club that is a bit easier to hit. I an not worrying about “working the ball” directinally – just to hit it on the green! Thanks for any input you may offer!

    • Upinthismufu

      May 23, 2013 at 10:54 am

      I recently purchased a set of MP H4s (4-PW) with the Nippon NS Pro 950s. I am a Mizuno ‘homer’ as my last four sets have been MP 14s (DG S300), MP 32/60s Combo Set (Project X 6.0), & MP 68s w/ (KBS Tour S). The MP 4s are definitely not your typical Mizuno iron, but they are a great choice for those who are ready to sacrifice a little of that ‘buttery’ feel for MUCH better mishit results. Looking down at the 4-iron it’s a little clunky but it also provides peace of mind that you don’t have to make that ‘perfect’ swing that a lot of the MP long irons require. In fact, I would say that looking down at my H4 4-iron provides me the same level of confidence that I would have over my MP 68 6-iron. Mis-hits are unbelievable with these clubs, and the ball is so easy to get in the air with the longer irons. Even high toe shots that were dead off of my 68s aren’t that bad off of the H4s. So to sum it up, don’t look at the H4s unless you are willing to sacrifice the ‘tuning fork’ feel for MUCH better mis-hits. BTW I did demo the JPX 825 Pros (KBS Pro S) and didn’t find them any easier to hit than any of my previous MPs.

    • weem

      Jul 18, 2013 at 7:11 am

      I have both sets and play off 12. first observation is that the MPH4s are 2 degrees more loft so they are higher but shorter. My sense is that the JPX’s are easier to hit through the whole range because the attacking irons with the MPH’s ( 8 onwards ) are very hard to hit by comparison. Id rather have stuck with the pro series and moved directly into the MP range with the 50’s ranges ( 53 or 59 )and have consistent feel through the clubs the MPH’s are a bit all over the place
      good luck

    • Erik

      Jul 5, 2014 at 11:14 pm

      I now have the 825 pros (1″ long) and absolutely love them. I was previously hitting the titleist 695cb forged irons. I am a 18 handicapper and I have been piping these irons down the fairways. I am hitting my 5 iron longer than my uncle hits his 3 wood. I’m hitting the pw about 140. I would highly recommend these to any golfer.

  5. tbone

    May 10, 2013 at 8:18 am

    Any chance of a review on the JPX 825 non pros?

  6. James

    May 7, 2013 at 2:06 pm

    So the only club options for left handed players are game improvement irons!?!?

    Give us at least one option.

    • Ron MH

      Jun 25, 2013 at 12:56 am

      I feel your pain, man. I resorted to buying used Mizunos for my lefty fix. I was hoping the MP-64 would show up for lefties – no love from Mizuno. So, I bought some MP-57’s. They’d get my money if they offered the product.

      • J.A.

        Aug 11, 2013 at 1:28 am

        I REALLY wish they made left handed irons that weren’t for high handicappers. LOVE LOVE LOVE my MP-52’s but I’m looking to get new ones because mine are so used. Bought them brand new, they’ve gotten the use!!

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pga tour

Andrew “Beef” Johnston WITB 2017



Equipment is accurate as of the 2017 RSM Classic (11/14/17).

Driver: Titleist 917D2 (9.5 Degrees)
Shaft: Mitsubishi Tensei Orange 70TX

3 Wood: Titleist 917F3 (15 Degrees)
Shaft: Mitsubishi Tensei Orange 80TX

Hybrids: Titleist 816 H2 (19 Degrees)
Shafts: Mitsubishi Kuro Kage 90HY TX

Driving Irons: Titleist 718 T-MB 2 & 3 Iron (17 & 20 Degrees)
Shaft: True Temper Dynamic Gold X100 Tour Issue

Irons: Titleist 718 MB (3-9)
Shaft: True Temper Dynamic Gold X100 Tour Issue

Wedges: Titleist Vokey SM7 (46-10F, 50-08F, 54-10S)
Shaft: True Temper Dynamic Gold S400 Tour Issue

Putter: Scotty Cameron Circle T Super Rat I GSS Inlay
Grip: Scotty Cameron Standard Pistol

Putter: Scotty Cameron Circle T Newport 2
Grip: Scotty Cameron Standard Cord Pistol

Putter: Scotty Cameron Circle T Super Rat II GSS Inlay
Grip: Scotty Cameron Standard Cord Pistol

WITB Notes: Beef was testing a variety of putters ahead of The RSM Classic. We will update this post when his choice is confirmed. 


Discussion: See what GolfWRX members are saying about Beef’s clubs. 

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The hottest blade irons in golf right now



As we’ve written before, the decision to put a new driver in the bag is usually obvious. Better numbers at testing, perceptibly longer distance, and as long as your bank account allows, you have your new gamer.

The iron switch, however, is a trickier beast. Comfort with the variety of shots one needs to hit is key. Confidence from one’s long irons through the higher lofts is critical. Thus, even the greatest enthusiasm for a new iron release isn’t always followed by a mass exodus to gaming said irons. This is doubly true at the professional level, where the tools are critical to a player’s livelihood.

That said, the combination of forum chatter, GolfWRX member enthusiasm, and what we’re spotting in our WITB photos from tour stops are a reliable indicator of the hottest irons in the game.

And judging by the response to our recent Instagram post, we’re confident that these four models are the hottest blade irons in golf right now.

Callaway Apex MB

Buzz built steadily for the Apex MB iron when we first spotted them in Tour players’ bags at the beginning of 2017. The irons are the product of direct feedback from the company’s Tour staffers, according to Luke Williams, Director of Product and Brand Management at Callaway. Forged from 1025 Carbon Steel, these irons have the shortest blade lengths, the thinnest soles and the smallest overall heads in the vast line of Callaway irons. They’re designed for maximum workability, and for tour-desired turf interaction.

Related: Callaway (finally) launches new Apex MB and X Forged irons

Mizuno MP-18

The pioneers of Grain-Flow Forging, Mizuno went back to its roots with the MP-18 iron model. A throwback to the great muscle backs in the company’s history, Mizuno was shooting for the look of an iron that could have been forged a century ago. Shorter blade length, cambered top line, sharp, compact wedges, all combined with the most minimal badging make the MP-18 an instant classic that set the GolfWRX forums afire.

Related: Mizuno brings the MP family closer together

TaylorMade P730

TaylorMade’s P730, particularly in its prototype incarnations, made quite a splash on the PGA Tour. Building on the heritage of the TP-MB irons, P730 was developed in collaboration with the very best players in the world. The 1025 carbon steel irons irons feature a smaller profile and crisper lines than the MB series irons. The combination of the clean look and a deep rear groove have players drooling. Discussing working with Dustin Johnson and Justin Rose to design the P730, TM’s Senior Director of Irons, Tomo Bystedt said, “What these players need is a very low-inertia club that they can [manipulate] easily, almost like a surgeon’s scalpel.” Behold the scalpel.

Related: Taylormade expands forged offerings with P730 and P790

Titleist 718 MB

“For the purist there is no substitute for a one-piece, muscle back iron. The 718 MB is the modern choice for those desiring a traditional forged look and feel,” says Titleist in the 718 MB marketing materials.

It’s hard to argue with that statement from the “appearance of a classic forged iron” standpoint. Purists appreciate that the 718 MB maintains Titleist’s traditional lofts (the 6-iron is 31 degrees, the pitching-wedge is 47 degrees), thin top-line, minimal offset, and limited badging. In short, if it ain’t broke…

Related: Titleist’s 718 irons offer endless possibilities.

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Whats in the Bag

Austin Cook’s Winning WITB: The 2017 RSM Classic



Driver: Ping G400 LST (8.5 Degrees)
Shaft: Fujikura Speeder 661 Evolution TX-Flex

3 Wood: Ping G400 Stretch (13 Degrees)
Shaft: Fujifuke Motore Speeder VC 7.2 TX-Flex

Hybrid: Ping G400 3 Hybrid (19 Degrees)
Shaft: Matrix Ozik Altus Tour H8 91X

Hybrid: Ping G400 4 Hybrid (22 Degrees)
Shaft: Matrix Ozik Altus Tour H8 91 X

Irons: Ping S55 Orange Dot (5-PW)
Shafts: KBS Tour S-Flex

Wedges: Ping Glide 2.0 SS (50-12, 56-12), Ping Glide 2.0 WS (60)
Shaft: True Temper Dynamic Gold S400 Tour Issue

Putter: Ping Sigma G Tyne 
Grip: SuperStroke Mid-Slim 2.0

Golf Ball: Titleist Pro V1

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19th Hole