Martin Hopley
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For the last two iterations of the JPX Forged line, I have been telling anyone who would listen that this is one of the best mid-sized forged irons for single figure players. As it is Mizuno's best selling forged iron this year then I think a lot of people have been listening.

Unfortunately for all these people I think I will be saying all the same things about the latest JPX919 Forged irons too.

Mizuno JPX919 Forged Iron

What I like about the JPX919 Forged is that it combines a mid-sized forged head with a bit of forgiveness and a face that delivers more speed than a normal forged iron.

Mizuno JPX919 Forged Iron

The JPX919 Forged still uses the same Boron Steel that is infused with the stronger metal to make it 30% stronger than normal steel so that the face can be thinner to generate that ball speed.

Mizuno JPX919 Forged Iron

However what they have done this time is to change the cavity design by forging the head and then cutting what I am going to call a slot through the sole in the bottom of the cavity. This is then covered up by welding on a cap that is 52mm long by 5mm wide by 1mm thick so you can't see it.

Mizuno JPX919 Forged Iron

Mizuno don't want to say it is a slot, as designer Chris Voshall told me in an exclusive interview but the effect is similar.

This new cavity design has resulted in a different sole grind that now has more camber and loses the grind on the leading edge and some on the trailing edge.

Mizuno JPX919 Forged Iron

I think this not only looks nicer but engages the turf better so I am not unhappy to see the back of that leading edge grind.

Mizuno JPX919 Forged Iron

Compared to the previous JPX900 on GC2 with Titleist Pro V1x balls I was getting an extra 3 yards carry with the same level of spin, although I should probably caveat that the shafts were different in each head and the 919 lofts are 1° stronger in the 4 to 7 irons.

Mizuno JPX919 Forged Iron

What is more impressive is that the JPX900 Forged 6-iron was ahead of the 919 Tour model and right up there with the Hot Metal for distance, which is pretty impressive for this style of club.

Mizuno JPX919 Forged Iron

Mizuno JPX919 Forged Iron

Like the other models in the 919 iron range the Forged has seen 5g of weight moved from the heel area around the hosel to the toe of the club to improve the MOI.

Mizuno JPX919 Forged Iron

This also moves the CG 1.8mm closer to the centre of the face and that is another factor in getting the right feel, or should I say sound from the JPX919 Forged.

Mizuno JPX919 Forged Iron

Instread of the shockwaves at impact getting caught in the heel, they can now going up the shaft more easily but it is really the frequency of the sound that we hear that is translated into feel so whatever Mizuno has done, it works.

Right through the set from 4 to PW the JPX919 feels great and even the longer irons will be playable for most single figure golfers. If not then swap in the 919 Hot Metal 4-iron for a little extra forgiveness.

Mizuno JPX919 Forged Iron

The styling is also a bit cleaner with the colour removed and the Mizuno name absent for the first time on one of their irons. Apparently it is to highlight their Runbird logo instead and even if it makes the three 919 models hard to tell apart, I think it works and you feel like an MP player even if you are not.

Mizuno JPX919 Forged Iron

As you can probably tell I am a big fan of the JPX919 Forged irons and for anyone in single figures I would urge you to step away from the blades and try them.

Golfalot Rating: 5 stars
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Mizuno JPX919 Forged Iron

Mizuno JPX919 Forged Irons - Product Details

UK LaunchSeptember 2018
UK Launch RRP£945
USA LaunchSeptember 2018
USA Launch RRP$1300
European LaunchSeptember 2018
European Launch RRP€1225
Handicap Range
Low
High
GolferMens
ManufactureForged
MaterialSteel
Swing WeightD2
Shaft NameTrue Temper Dynamic Gold 105
Shaft TypesSteel
Shaft FlexRegular, Stiff
Shaft Weight105
DesignCavity Back
Set Makeup4, 5, 6, 8, 9, PW
Additional ClubsGW
Manufacturer's WebsiteMizuno Website

User Reviews

Bernhard G.
September 2018

Very informative review(s), thank you! Only information missing IMO is a dispersion plot of all the shots. As everything, it is about trade offs, GI irons might give you a bigger sweet spot for equal distance, but less less tight lateral dispersion as a trade off. Vice versa for blades, maybe. It could well be, that one of the biggest selling points of the middle of the line 919 forged is the best compromise between the two dispersion directions. Something that's not visible from the published data.

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