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Specs, loft charts and modeled carry for two sets golfers cross-shop. Mizuno Pro 243 and Mizuno Pro M-15 each have a full page.
| Spec | Mizuno Pro 243 | Mizuno Pro M-15 |
|---|---|---|
| Category | Players Cavity | Players Distance |
| Player type | Low Handicap | Mid Handicap |
| Model year | 2025 | 2026 |
| 7-iron loft | 31.5° | 30.5° |
| PW loft | 45° | 44° |
| Set makeup | 4-iron to PW | 4-iron to PW |
| MSRP | $1,199 | $1,299 |
| Technology | - | Forged, Tungsten Weighting, Progressive Lofts |
| Editorial recognition | - | - |
| Club | Mizuno Pro 243 | Mizuno Pro M-15 | Loft delta |
|---|---|---|---|
| 4i | 22° | 20° | +2° |
| 5i | 25° | 23° | +2° |
| 6i | 28° | 26.5° | +1.5° |
| 7i | 31.5° | 30.5° | +1° |
| 8i | 35.5° | 35° | +0.5° |
| 9i | 40° | 39.5° | +0.5° |
| PW | 45° | 44° | +1° |
Modeled from TrackMan-based norms scaled to each set's lofts, not measured for these models.
| Club | Moderate swing | Average swing | Faster swing | |||
|---|---|---|---|---|---|---|
| Pro 243 | Pro M-15 | Pro 243 | Pro M-15 | Pro 243 | Pro M-15 | |
| 4i | 161 y | 164 y | 179 y | 182 y | 196 y | 199 y |
| 5i | 154 y | 156 y | 171 y | 174 y | 187 y | 190 y |
| 6i | 145 y | 148 y | 161 y | 164 y | 176 y | 179 y |
| 7i | 136 y | 138 y | 151 y | 153 y | 165 y | 167 y |
| 8i | 127 y | 129 y | 141 y | 143 y | 154 y | 156 y |
| 9i | 116 y | 118 y | 129 y | 131 y | 141 y | 143 y |
| PW | 107 y | 109 y | 119 y | 121 y | 130 y | 132 y |
| Club | Mizuno Pro 243 | Mizuno Pro M-15 | Δ carry |
|---|---|---|---|
| 4i | 174 yd | 176 yd | +3 |
| 5i | 166 yd | 169 yd | +3 |
| 6i | 159 yd | 160 yd | +1 |
| 7i(anchor) | 150 yd | 150 yd | 0 |
| 8i | 140 yd | 139 yd | -1 |
| 9i | 129 yd | 128 yd | -1 |
| PW | 116 yd | 116 yd | 0 |
| Estimated from loft specs · ±5 yd accuracy | avg +0.5 yd | ||
The Mizuno Pro 243 and the Mizuno Pro M-15 sit in different categories, and that is the real split. The Pro 243 is a players cavity back with a 31.5° 7-iron and a $1,199 list price. The Pro M-15 is a players distance iron, one degree stronger at 30.5°, which points to roughly 2 yards more carry at the same swing speed. It is also the only one of the two tagged Progressive Lofts, Forged and Tungsten Weighting, so expect a difference in head size and forgiveness. The Pro 243 suits a consistent ball striker who wants a compact look and traditional gapping into the wedges. The Pro M-15 suits the golfer who wants more speed and a little more help on off-center strikes while keeping a players profile.
If distance and forgiveness come first, buy the Pro M-15 and check your wedge gapping, since its 44° pitching wedge is one degree stronger than the 45° in the Pro 243. If feel, a smaller head and price come first, the Pro 243 is the pick. It lists $100 lower, and as the 2025 model next to a 2026 release it is the one more likely to turn up discounted. Neither choice is a mistake for a solid ball striker, so let your typical miss decide.