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Mizuno JPX 919 Hot Metal Pro Iron Set


JPX 919 Hot Metal Pro
Player Type
Clubs Type
4-PW, GW Iron Set
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The JPX919 Hot Metal PRO irons feature incredible balance of launch speeds and soft, controllable landing angels. Also contains re-engineered sound ribs developed to hit specific vibration patterns that will deliver a satisfying sensation through impact.


  • Thinner Top Line
  • Chrome plating with a new more durable pearl finish to soften the 919s precise lines in high sunlight
  • Harmonic Impact Technology


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Technology / Specs

Mizuno JPX 919 Hot Metal Pro irons take all the incredible features of the JPX 919 Hot Metal irons and put them in a tighter package better players gravitate towards. Namely, these irons have a shorter blade length, thinner topline, and less offset than their counterparts. Learn about the specifics of these features here.

Chromoly 4140M

Mizuno uses a material called Chromoly 4140M to construct the JPX 919 Hot Metal Pro. This material is very strong yet malleable. The strength allows engineers to use less of the metal in the face to create faster ball speeds. The malleability of the metal lends itself to bending the hosel, changing loft and lie angles easier.

Stability Frame

Mizuno designers put a Stability frame near the heel portion of the head. This opening gives the head more stability and ideal launch characteristics for each club. Because the ideal ball flight is different, each club has a uniquely shaped Stability Frame, ensuring the right launch conditions for every iron.

Beveled Trailing Edge

As you look at the sole of the JPX 919 Hot Metal Pro irons, you’ll notice the trailing edge is shaved back. The beveled trailing edge helps the club exit the turf more efficiently. Better turf interaction produces clean, crisp, consistent contact more often.


The face of JPX 919 Hot Metal Pro irons has a bigger sweet spot thanks to its CORTECH design. This design varies the thickness of the face, producing more ball speed in areas of typical mishits making the clubs more forgiving.

Harmonic Impact Technology

In order to make the JPX 919 Hot Metal Pro irons sound and feel like a Mizuno iron, engineers use a technique called Harmonic Impact technology. The geometry of the head is shaped after extensive testing measuring the audio at impact. Tweaks in the design are made until the club has the ideal sound, ensuring nothing feels like a Mizuno.

The chart below has the stock specs for the Mizuno JPX 919 Hot Metal Pro irons.

adidas Bridgestone Golf Callaway Cleveland Cobra FootJoy Mizuno Nike Ping Puma Srixon TaylorMade Titleist Wilson adidas Bridgestone Golf Callaway Cleveland Cobra FootJoy Mizuno Nike Ping Puma Srixon TaylorMade Titleist Wilson
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These are your UTry® selections. Only UTry® eligible products appear here. 2 product limit.

Our UTry® program gives you the opportunity to try out brand new products from the game's top brands for 14 days for only $25, or $100 for an iron set. That's right—you get a brand new, still-in-the-plastic club to try for two weeks for just $25.

You get to try it when, where, and how you want for two weeks before deciding if you want to buy it or not.

Want to test out two different brands, or two different configurations? No problem. UTry® lets you try out up to 2 products for $25 per product or 1 iron set for $100.

This isn't 30 minutes on the range with range balls or looking out of the Pro-Shop window. You can try the product on your time, when & where you want.

UTry® gives you the freedom to take Golf Clubs, GPS or Rangefinders to your course and to use at your pace! Use it as much as you like so you can really know what the product will do for your game before you invest in it.

If you don't love it, simply put it back in the box it came in, use the included prepaid return shipping label, and send it back to us. That's it.

If you do love it, that's awesome! You keep the product, we'll subtract the $25 trial fee off the final cost of the product, and we'll charge you the difference.

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