The Mizuno JPX-921 Hot Metal Pro irons loft lineup runs from 19°–55° across 9 listed loft options.
Mizuno Loft Guide
Irons • Released 2020
19°–55°Loft Range
9Listed Loft Options
4.2°Median Loft Gap
36°Total Loft Span
JPX-921 Hot Metal Pro Loft Chart
| Club / Configuration | Loft | Loft Gap | Gap Read |
|---|---|---|---|
| 4-iron | 19° | — | — |
| 5-iron | 22° | 3° | Tighter step |
| 6-iron | 25° | 3° | Tighter step |
| 7-iron | 28.5° | 3.5° | Tighter step |
| 8-iron | 33° | 4.5° | Near model median |
| 9-iron | 37.5° | 4.5° | Near model median |
| PW | 46° | 8.5° | Wider step |
| GW | 50° | 4° | Near model median |
| SW | 55° | 5° | Wider step |
Loft progression chart
What stands out about the JPX-921 Hot Metal Pro loft?
Loft coverage: 19°–55°.
Configurations: 9 listed loft options.
Median step: 4.2°.
Configurations: 9 listed loft options.
Median step: 4.2°.
JPX-921 Hot Metal Pro loft progression
4-iron 19° → 5-iron 22° → 6-iron 25° → 7-iron 28.5° → 8-iron 33° → 9-iron 37.5° → PW 46° → GW 50° → SW 55°
How the JPX-921 Hot Metal Pro lofts affect the shot
Loft influences launch, flight, rollout and stopping tendency. This is a loft-only interpretation rather than a full performance prediction.
| Club | Loft | Launch | Flight | Roll | Stopping |
|---|---|---|---|---|---|
| 4-iron | 19° | Lower | Penetrating | Moderate | Lower |
| 5-iron | 22° | Lower | Penetrating | Moderate | Lower |
| 6-iron | 25° | Mid | Balanced | Moderate | Moderate |
| 7-iron | 28.5° | Mid | Balanced | Moderate | Moderate |
| 8-iron | 33° | Mid | Balanced | Moderate | Moderate |
| 9-iron | 37.5° | Higher | Higher / steeper | Lower | Higher |
| PW | 46° | Higher | Higher / steeper | Lower | Higher |
| GW | 50° | Higher | Higher / steeper | Lower | Higher |
| SW | 55° | Higher | Higher / steeper | Lower | Higher |
Verify loft specifications with Mizuno
Loft can vary by market, production run, custom fitting and measuring method. Historical models may also have incomplete or conflicting records. Verify your exact club with Mizuno before bending, adjusting or ordering replacement components. Visit the official Mizuno Golf website.