Mizuno MP-57 vs Mizuno JPX-900 Forged
Side-by-side factory specifications. Differing values are highlighted.
Specification comparison
| Club | MP-57 loft | JPX-900 Forged loft | MP-57 lie | JPX-900 Forged lie | MP-57 length | JPX-900 Forged length |
|---|---|---|---|---|---|---|
| 3 | 21 | — | 59.5 | — | 38.75 | — |
| 4 | 24 | 21 | 60 | 60 | 38.25 | 38.25 |
| 5 | 27 | 24 | 60.5 | 60.5 | 37.75 | 37.75 |
| 6 | 31 | 27 | 61 | 61 | 37.25 | 37.25 |
| 7 | 35 | 31 | 61.5 | 61.5 | 36.75 | 36.75 |
| 8 | 39 | 35 | 62 | 62 | 36.25 | 36.25 |
| 9 | 43 | 40 | 62.5 | 62.5 | 35.75 | 35.75 |
| PW | 47 | 45 | 63 | 63 | 35.5 | 35.5 |
| GW | — | 50 | — | 63 | — | 35.25 |
Highlighted cells differ between the two sets. Lofts and lies are factory standard.
Lofts compared
- MP-57
- JPX-900 Forged
What the differences mean
At the 7-iron, the MP-57 is 35° and the JPX-900 Forged is 31°, a 4° gap. Each degree of loft is worth roughly 3 to 4 yards of carry at the same swing speed, so the JPX-900 Forged should carry roughly 12 to 16 yards further with that club, on a slightly lower, shallower flight than the MP-57. Across the 7 clubs both sets share, the JPX-900 Forged averages 3.3° stronger, with the largest gap at the 6-iron (31° vs 27°). The pitching wedges are 47° and 45°; the stronger one leaves a 5° jump to a 50° gap wedge, which matters when planning wedge gapping.
The sets are built differently: the MP-57 runs 3-iron to PW (8 clubs), the JPX-900 Forged 4-iron to GW (8 clubs).
The MP-57 is a players iron and the JPX-900 Forged a players distance iron, so they sit one step apart on the forgiveness scale. The JPX-900 Forged is the more forgiving design, with a wider sole, more offset and more perimeter weighting for roughly 5 to 15 handicaps who want extra distance from a compact head. The MP-57 trades some of that for a more compact head, thinner topline and more control over flight and shape, which suits roughly scratch to 10 handicaps.
Both heads are listed as forged. With the build method this similar, differences in feel come down to head size, sole width, topline and offset rather than how the heads are made.
There are 9 years between these sets (2007 and 2016), more than one design generation. Over that time irons moved toward stronger lofts, thinner and faster faces, hollow and multi-material heads and wider use of tungsten, so the newer set is not simply a better version of the older one: it may launch and spin quite differently. Here the 7-iron loft moved from 35° to 31°.
Which should you choose?
The JPX-900 Forged is the stronger-lofted set — up to 4° stronger than the MP-57 on matching clubs. Expect longer carry per numbered iron but a flatter descent angle; gapping at the wedge end is where that shows up.
Both charts are reproduced in full on their own pages: Mizuno MP-57 specs and Mizuno JPX-900 Forged specs.
Frequently asked questions
Is the Mizuno MP-57 stronger lofted than the JPX-900 Forged?
No. The JPX-900 Forged is the stronger-lofted set: its 7-iron is 31° against 35° for the Mizuno MP-57, 4° stronger and worth roughly 12 to 16 yards of extra carry.
What is the loft difference between the Mizuno MP-57 and JPX-900 Forged?
At the 7-iron the difference is 4° (35° vs 31°). The largest gap on a shared club is 4° at the 6-iron, and all 7 shared clubs differ.
Which is better for higher handicap golfers, the Mizuno MP-57 or the JPX-900 Forged?
The JPX-900 Forged. As a players distance iron it is the more forgiving design, suited to roughly 5 to 15 handicaps who want extra distance from a compact head. The Mizuno MP-57 is a players iron, better suited to roughly scratch to 10 handicaps.
Do the Mizuno MP-57 and JPX-900 Forged have the same lie and length?
At the 7-iron, yes: both are 61.5° lie and 36.75 inches long.
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