Mizuno MP-37 vs Mizuno MP-67
Side-by-side factory specifications. Differing values are highlighted.
Specification comparison
| Club | MP-37 loft | MP-67 loft | MP-37 lie | MP-67 lie | MP-37 length | MP-67 length |
|---|---|---|---|---|---|---|
| 2 | 18 | — | 57.5 | — | 39.25 | — |
| 3 | 21 | 22 | 58 | 59.5 | 38.75 | 38.75 |
| 4 | 24 | 25 | 58.5 | 60 | 38.25 | 38.25 |
| 5 | 27 | 28 | 59 | 60.5 | 37.75 | 37.75 |
| 6 | 31 | 32 | 60 | 61 | 37.25 | 37.25 |
| 7 | 35 | 36 | 61 | 61.5 | 36.75 | 36.75 |
| 8 | 39 | 40 | 62 | 62 | 36.25 | 36.25 |
| 9 | 43 | 44 | 62.5 | 62.5 | 35.75 | 35.75 |
| PW | 47 | 48 | 63 | 63 | 35.25 | 35.5 |
Highlighted cells differ between the two sets. Lofts and lies are factory standard.
Lofts compared
- MP-37
- MP-67
What the differences mean
At the 7-iron, the MP-37 is 35° and the MP-67 is 36°, a 1° gap. Each degree of loft is worth roughly 3 to 4 yards of carry at the same swing speed, so the MP-37 should carry roughly 3 to 4 yards further with that club, on a slightly lower, shallower flight than the MP-67. Across the 8 clubs both sets share, the MP-67 averages 1° weaker, with the largest gap at the 3-iron (21° vs 22°). The pitching wedges are 47° and 48°; the stronger one leaves a 3° jump to a 50° gap wedge, which matters when planning wedge gapping. Beyond loft, the MP-37 7-iron sits 0.5° flatter (61° vs 61.5°), which nudges start direction slightly right for a right-hander.
The sets are built differently: the MP-37 runs 2-iron to PW (9 clubs), the MP-67 3-iron to PW (8 clubs).
Both are blade irons, built for low single-digit handicaps who strike the ball consistently. Compact muscleback irons with minimal offset, thin toplines and the smallest sweet spot — built for shot-shaping over forgiveness. Because they target the same golfer, the decision comes down to the specific loft, feel and shaping differences rather than who the sets are made for.
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.
The MP-67 arrived 3 years after the MP-37, a typical one-generation refresh. Changes over that span are usually incremental: refined face thickness, revised weighting, updated looks and small loft tweaks rather than a new concept. Here the 7-iron loft moved from 35° to 36°.
Which should you choose?
The MP-67 is the weaker-lofted set — up to 1° weaker than the MP-37. That trades raw distance for a steeper landing angle and more predictable stopping power into greens.
Both charts are reproduced in full on their own pages: Mizuno MP-37 specs and Mizuno MP-67 specs.
Frequently asked questions
Is the Mizuno MP-37 stronger lofted than the MP-67?
Yes. The Mizuno MP-37 7-iron is 35° against 36° for the MP-67, 1° stronger, which is worth roughly 3 to 4 yards of extra carry with the same swing.
What is the loft difference between the Mizuno MP-37 and MP-67?
At the 7-iron the difference is 1° (35° vs 36°). The largest gap on a shared club is 1° at the 3-iron, and all 8 shared clubs differ.
Are the Mizuno MP-37 and MP-67 aimed at the same golfer?
Yes. Both are blade irons, built for low single-digit handicaps who strike the ball consistently. Choose on feel, looks and gapping, ideally after hitting both.
Do the Mizuno MP-37 and MP-67 have the same lie and length?
Not exactly. At the 7-iron the Mizuno MP-37 is 61° lie and 36.75 inches, the MP-67 61.5° and 36.75 inches. Both can be bent or built to your own fit.
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