Mizuno MP-18 MMC FLI HI Irons Review

50 Words or Less

The Mizuno MP-18 MMC FLI HI irons are perfect for blending with other MP-18 irons.  Great feel with much more forgiveness than you’d expect.

Introduction

When it comes to the long game, golfers have lots of options: fairway woods, hybrids, driving irons, and irons.  And as foolish as many golfers are (myself included), most do realize that a 3I is no longer remotely viable with today’s strong lofts.  This leaves the driving iron as the sexy, player-ific option at the top of the bag, and the Mizuno MP-18 MMC FLI HI is definitely sexy.  The question I set out to answer is whether or not it’s a realistic alternative for the average golfer.

Looks

In the bag, the MP-18 MMC FLI HI radiates the “player” image.  There’s no visible cavity, no colorful paint fill, just a classy blend of satin and chrome.

Given the bulk of the sole (at least compared to the other MP-18 irons), you might expect that the FLI HI has a game improvement look to it.  While there is a bit of offset, the top line is thin enough to be a players iron, and the sole is invisible at address.  If you’re blending the FLI HI into a combo set with other MP-18 irons, you’ll be pleased with the transition (see a comparison of the FLI HI with the MP-18 MB in the slideshow at the bottom of the page).

Sound & Feel

I’ve played with many of the previous FLI HI irons in the past, and the MP-18 MMC FLI HI is easily the best feeling.  It’s a touch firmer than the MP-18 MB, but the difference is slight.

Centered impact is soft, crisp, and rewarding.  When you miss the sweet spot, you’re rebuked with a firmer impact feel that doesn’t sting but does remind you to focus on your next swing.

Performance

What separates the MMC FLI HI from other MP-18 irons are the tungsten toe weighting and hollow body construction.  These two things work together to make the iron more forgiving and slightly higher launching.

Those two characteristics are listed in order of impact.  The MMC FLI HI is noticeably more forgiving than other MP-18 irons, but the difference in launch is not huge.  In my launch monitor testing, I saw that pure strikes with the MMC FLI HI launched about one degree higher than pure strikes with the MP-18 MB.  That difference is not enough to make a 3-iron playable for a low ball hitter like myself.  Where the difference is big is on mishits.  A thin shot with the MP-18 MB can launch in the mid single digits; the MMC FLI HI gets the ball airborne, preserving carry distance.

The MMC FLI HI’s forgiveness extends beyond launch angle.  If you hit a ball toward the heel or toe, it retains more ball speed and distance than other members of the MP-18 iron family.

Finally, we come to the main reason to opt for the MMC FLI HI over a hybrid: shot control.  Most golfers will find it much easier to manipulate trajectory and shot shape with the MMC FLI HI than a hybrid.  The FLI HI is a natural extension of your iron set whether you switch over at the 16.5 degree 2-iron or all the way at the 6-iron.

Conclusion

In the last couple years, driving irons have shifted from being oddities to must-haves for OEMs.  I’ve tested a lot of them, and the Mizuno MP-18 MMC FLI HI is one of my favorites.  It gives up very little in terms of looks and feel but does offer a significant boost in forgiveness.  However, the one caveat that must be expressed with any driving iron is that they require proper fitting to maximize their potential.

Buy Mizuno MP-18 MMC FLI HI Irons HERE

Mizuno MP-18 MMC FLI HI Irons Price & Specs

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Matt Saternus

Co-Founder, Editor In Chief at PluggedInGolf.com
Matt is a golf instructor, club fitter, and writer living in the northwest suburbs of Chicago. Matt's work has been published in Mulligan Magazine, Chicagoland Golf, South Florida Golf, and other golf media outlets. He's also been a featured speaker in the Online Golf Summit and is a member of Ultimate Golf Advantage's Faculty of Experts.

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6 Comments

  1. Tom Duckworth

    So do you feel like these are for a higher swing speed player only? I have never really gotten along with hybrids
    I just have never been comfortable with their shape and I don’t hit them well. My driver speed is 95 to 100 when I’m feeling good. I think it is interesting that these don’t launch much higher than their irons and I think that was by design. One review I saw the reviewer really put it down because it didn’t launch high enough for him but it’s not meant to be a hybrid I guess.
    Have you tested the Srixon U65 utility and how would you compare them? I’m thing about getting a blended set this spring and MP-18s, Srixon Z765/565/U65 series irons and Ping i200s with a Crossover are all on my list to try. Man there are so many good new irons on the market lately it makes my head spin.

    • Matt Saternus

      Tom,

      You need either a lot of swing speed or something in your swing that launches the ball pretty high. Without one or both of those, all of these utility irons turn into clubs that carry the distance of a mid or long iron but with a lower flight.

      Best,

      Matt

  2. Thanks, Matt!
    I love my MP-H4 2-iron and this looks like a much sleeker and no loss of forgiveness (h4 doesn’t have tungsten).

  3. Nigel Smith

    Hey Matt, great review!

    I know it was mentioned it earlier by Tom, but any comparisons between this and the u65 you reviewed earlier?

    • Matt Saternus

      Nigel,

      I didn’t do a direct comparison, so I don’t have any data or insights to share beyond what’s in the review.

      Best,

      Matt

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