Srixon I-403 AD vs Srixon I-506
Side-by-side factory specifications. Differing values are highlighted.
Srixon I-403 ADlost wax precision cast cavity back · 255 soft stainless steel with tungsten-nickel sole weightsSrixon I-506forged cavity back · forged 1025 carbon steel
Specification comparison
| Club | I-403 AD loft | I-506 loft | I-403 AD lie | I-506 lie | I-403 AD length | I-506 length |
|---|---|---|---|---|---|---|
| 2 | — | 18 | — | 59 | — | 39.25 |
| 3 | 20 | 21 | 60 | 59.5 | — | 38.75 |
| 4 | 23 | 24 | 60.5 | 60 | — | 38.25 |
| 5 | 26 | 27 | 61 | 60.5 | — | 37.75 |
| 6 | 29 | 30 | 61.5 | 61 | — | 37.25 |
| 7 | 33 | 34 | 62 | 61.5 | — | 36.75 |
| 8 | 37 | 38 | 62.5 | 62 | — | 36.25 |
| 9 | 41 | 42 | 63 | 62.5 | — | 35.75 |
| PW | 45 | 46 | 63.5 | 63 | — | 35.25 |
| AW | 50 | — | 63.5 | — | — | — |
| SW | 55 | — | 63.5 | — | — | — |
Highlighted cells differ between the two sets. Lofts and lies are factory standard.
Which should you choose?
The I-506 is the weaker-lofted set — up to 1° weaker than the I-403 AD. 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: Srixon I-403 AD specs and Srixon I-506 specs.