The Callaway Quantum Max OS Iron combines 20 loft options from 19° to 57°, stock lengths ranging from 39.12 in (4i) to 35.25 in (SW), and a listed swing weight of Vanquish R2 50 g:D1; Denali Frost Silver 60 R:D2; Denali Frost Silver 70 S:D2; Elevate Black 85 R/S:D2.
Iron • 2026 • RH/LH
Key specifications
Visual model specs
Built only from this model’s supplied specifications.
19°
22°
25°
29°
33°
37°
42°
47°
51°
55°
60.375°
61°
61.625°
62.25°
62.875°
63.5°
63.75°
64°
64°
64°
39.125 in
38.5 in
37.875 in
37.25 in
36.625 in
36 in
35.75 in
35.5 in
35.5 in
35.25 in
How the Callaway Quantum Max OS Iron compares
This compares the baseline specification with other Callaway irons in this database. Iron comparisons use the 7-iron where that club can be identified from the supplied specs.
About 5% lower loft than the Callaway irons database average. Around the 26th percentile for this field.
Very close to the Callaway irons database average. Around the 56th percentile for this field.
Very close to the Callaway irons database average. Around the 79th percentile for this field.
Club information
| Manufacturer | Callaway |
|---|---|
| Model | Quantum Max OS |
| Club type | Iron |
| Release year | 2026 |
Head, loft and weighting
| Available lofts | 4i:19° (HL 21°); 5i:22° (HL 24°); 6i:25° (HL 27°); 7i:29° (HL 31°); 8i:33° (HL 35°); 9i:37° (HL 39°); PW:42° (HL 44°); AW:47° (HL 49°); GW:51° (HL 53°); SW:55° (HL 57°) |
|---|---|
| Lie angle | 4i:60.375°; 5i:61°; 6i:61.625°; 7i:62.25°; 8i:62.875°; 9i:63.5°; PW:63.75°; AW:64°; GW:64°; SW:64° |
| Swing weight | Vanquish R2 50 g:D1; Denali Frost Silver 60 R:D2; Denali Frost Silver 70 S:D2; Elevate Black 85 R/S:D2 |
Shaft, grip and setup
| Standard length | 4i:39.125 in; 5i:38.5 in; 6i:37.875 in; 7i:37.25 in; 8i:36.625 in; 9i:36 in; PW:35.75 in; AW:35.5 in; GW:35.5 in; SW:35.25 in |
|---|---|
| Stock shaft options | True Temper Elevate 85 steel (stock; graphite/custom options available) |
| Stock grip | Lamkin Crossline 360 Black Cap 50 g |
| Hand availability | RH/LH |
Construction and forgiveness
| Face / material / construction | Oversized super-game-improvement cavity construction engineered for speed and consistent carry |
|---|---|
| MOI / forgiveness information | Highest-forgiveness Quantum iron; oversized super-game-improvement profile |
Data note: Golf club specifications can vary by loft, shaft, flex, hand, set composition and market. Where the source row lists multiple configurations, the complete supplied value is retained in the tables. Representative benchmark charts normalize multi-club sets to a consistent comparison point.
