Mizuno JPX-850 Forged vs Mizuno JPX-919 Forged
Side-by-side factory specifications. Differing values are highlighted.
Mizuno JPX-850 Forgedforged · 1025E boron-infused carbon steelMizuno JPX-919 Forgedforged · Chromoly 4120 (Grain Flow Forged HD)
Specification comparison
| Club | JPX-850 Forged loft | JPX-919 Forged loft | JPX-850 Forged lie | JPX-919 Forged lie | JPX-850 Forged length | JPX-919 Forged length |
|---|---|---|---|---|---|---|
| 4 | 22 | 22 | 60 | 60 | 38.25 | 38.5 |
| 5 | 25 | 25 | 60.5 | 60.5 | 37.75 | 38 |
| 6 | 28 | 28 | 61 | 61 | 37.25 | 37.5 |
| 7 | 32 | 32 | 61.5 | 61.5 | 36.75 | 37 |
| 8 | 36 | 36 | 62 | 62 | 36.25 | 36.5 |
| 9 | 40 | 41 | 62.5 | 62.5 | 35.75 | 36 |
| PW | 45 | 46 | 63 | 63 | 35.5 | 35.5 |
| GW | 50 | 51 | 63 | 63 | 35.25 | 35.25 |
Highlighted cells differ between the two sets. Lofts and lies are factory standard.
Which should you choose?
The JPX-919 Forged is the weaker-lofted set — up to 1° weaker than the JPX-850 Forged. 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 JPX-850 Forged specs and Mizuno JPX-919 Forged specs.