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The MP-20 is Mizuno's muscleback blade, the model in the MP-20 family aimed at players who want the smallest head and the most direct feedback. Mizuno forges it in Hiroshima using its Grain Flow Forged HD process from 1025E Pure Select mild carbon steel, then adds a copper underlay beneath the plating. That copper layer is the reason so many low handicappers describe the impact as soft and dense rather than clicky. There is no cavity here, no perimeter weighting, just a solid slab of steel behind the ball.
Look at the loft table and you see a blade that hasn't chased distance. The 7-iron sits at 33 degrees and the pitching wheel comes in at 45, which is honest, traditional spacing. You get consistent gaps and a predictable trajectory instead of a stronger-lofted 7-iron pretending to be a 6. The tradeoff is obvious. There is no help built into this club, so your distances come from your swing, not from a hot face.
Mizuno pairs the muscleback shape with its Harmonic Impact vibration dampening, which is why the MP-20 feels forgiving to the hands even when the head is not forgiving to your score. Catch one thin off the toe and you will know exactly where you missed. Flush one and it disappears off the face. This is a reward-and-punish iron in the best sense.
In short
The Mizuno MP-20 (2020) is a compact blade for skilled ball-strikers who want feel and shot control. The set runs 3-iron to PW with a 33° 7-iron. It carries a $1,099 MSRP.
Refresh due soon
Brands in this category update about every 2 years, and the MP-20 is 6 years old with no successor yet, so a new model could land any time. Grab it at clearance pricing now, or wait a few weeks to see what replaces it.
Based on release timing and this line's typical refresh cycle, not a live price quote.
Modeled from the $1,099 original MSRP and a 6-year-old release (about 20% of MSRP retained used).
Used market value
$185 - $245
Private sale, fair to like-new
Trade-in value
$110 - $170
What a shop typically pays
Get an exact quote
Estimate only, from a depreciation model, not a live quote. Search “Mizuno MP-20” on the sites above for the real number, which varies with condition, shaft, and demand.
The MP-20 is the 4th of 4 generations Mizuno has released in this line, from the MP-25 (2015) to the MP-20 (2020). It followed the MP-20 (2019) and came in held the same price. It is the newest generation in the line.
| 3i | 4i | 5i | 6i | 7i | 8i | 9i | PW |
|---|---|---|---|---|---|---|---|
| 19.0° | 22.5° | 26.0° | 29.5° | 33.0° | 37.0° | 41.0° | 45.0° |
Stock steel shaft. Lofts are approximate and subject to manufacturing tolerances.
Typical carry by swing speed, adjusted for this set's actual lofts. Your numbers will vary with strike, shaft, and conditions.
| Club | Loft | Moderate swing~132y 7-iron | Average swing~147y 7-iron | Faster swing~161y 7-iron |
|---|---|---|---|---|
| 3-iron | 19° | 165 y | 184 y | 202 y |
| 4-iron | 22.5° | 157 y | 175 y | 192 y |
| 5-iron | 26° | 150 y | 167 y | 183 y |
| 6-iron | 29.5° | 142 y | 158 y | 173 y |
| 7-iron | 33° | 132 y | 147 y | 161 y |
| 8-iron | 37° | 123 y | 137 y | 150 y |
| 9-iron | 41° | 113 y | 126 y | 138 y |
| PW | 45° | 104 y | 116 y | 127 y |
Carry distances are modeled from TrackMan-based norms scaled to each club's loft, not measured for this exact model.
The head is compact top to bottom with a thin topline, a narrow sole, and minimal offset, all the cues a better player uses to work the ball and control the face. Grain Flow Forged HD keeps the grain structure running continuously through the head, and the copper underlay under the nickel chrome adds mass and softens the sensation at impact. Mizuno calls the sound and feel tuning Harmonic Impact Technology, tuned to give a low, muted tone off center. Weight sits behind the sweet spot in a classic muscle pad, so the center of gravity is high and central rather than pushed low and back. That produces a flatter, more penetrating flight and lets you flight shots down, but it also means the ball won't launch itself into the air for you. You have to deliver the loft.
The Mizuno MP-20's 7-iron is lofted at 33° - traditional - aligned with classic iron loft standards. For a golfer with an 85-95 mph swing speed, this projects to a 7-iron carry of approximately 140-150 yards. The 5-iron (26°) to 7-iron gap of 7° is well-gapped, which may create overlapping distance windows with similarly lofted fairway woods or hybrids. The pitching wedge at 45° provides a conventional loft window that pairs cleanly with a 50-52° gap wedge.
No. The MP-20 family had three members, and this is the muscleback blade, the hardest and least forgiving of the group. The MMC used a multi-material construction with a tungsten toe weight, and the HMB was a hollow-body iron with more help. If you want the true blade, this is it.
Realistically this is a club for single-digit handicaps and better, ideally low single digits. There is no cavity or perimeter weighting, so off-center hits lose distance and drift. If you don't consistently find the center of the face, you will fight it.
Traditional. The 7-iron is 33 degrees and the pitching wedge is 45, which is classic spacing. Mizuno didn't jack the lofts to chase distance here, so your gapping stays clean and your wedges fit in normally underneath.
Two reasons. It is Grain Flow Forged HD from 1025E mild carbon steel, and Mizuno added a copper underlay beneath the plating. Copper is soft and dense, and combined with the Harmonic Impact tuning it gives that muted, buttery sensation blade players chase.
You can, but you probably shouldn't play a full set of them. Some players run the MP-20 blades in their short irons where contact is more repeatable and blend in a more forgiving MP-20 model or the HMB in the longer irons. As a full set for a mid handicap, the blade will cost you more strokes than it saves.
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