Callaway Quantum Max OS Iron set
Callaway Quantum Max OS Iron
Oversized, forgiving, and powerful—the Quantum Max OS Iron for maximum control and consistency.
Technology for your best game
The Quantum Max OS Iron are the ultimate solution for golfers looking for higher launch, maximum forgiveness, and powerful speed. With their oversized head shape, 360° undercut, AI-optimized face, and urethane microspheres, they offer a soft feel and high-speed performance – ideal for players with medium to higher handicaps.
Key features
✅ Modern 360° undercut
The continuous undercut construction with extreme perimeter weighting provides higher launch, faster ball speed, and more forgiveness.
✅ Progressive tri-sole design
Optimized sole geometry for clean ground contact and consistent shot quality —from long irons to wedges.
✅ Next-Gen AI-Optimized Face
The clubface is precisely tuned using artificial intelligence to optimize speed, spin, and launch across the entire face.
✅ Urethane Microspheres
Absorb unwanted vibrations and provide a soft, forged-like feel.
✅ Oversized Shape
A larger head shape for maximum forgiveness and confidence at setup.
Technical Specifications
| Iron | Loft | Lie | Length | Offset (mm) |
|---|---|---|---|---|
| 4 | 18 | 60.375 | 39.125" | 6.35 |
| 5 | 21 | 61 | 38.5" | 5.89 |
| 6 | 24 | 61.625° | 37.875" | 5.41 |
| 7 | 28 | 62.25 | 37.25" | 4.80 |
| 8 | 32 | 62.875 | 36.625" | 4.19 |
| 9 | 36 | 63.5 | 36 | 3.56 |
| PW | 41 | 63.75 | 35.75" | 2.79 |
| AW | 46 | 64 | 35.5" | 2.21 |
| GW | 50 | 64 | 35.5" | 1.65 |
| SW | 55 | 64 | 35.25" | 1.12 |
Handicap recommendation: approx. 18–36+
Shaft options
- Steel: True Temper Elevate 85 – 85 g (R, S)
- Graphite: True Temper Denali Frost Silver – 60 g (R), 70 g (S)
- Mitsubishi Chemical Vanquish – 50 g (R2)
- Mitsubishi Chemical Eldio – 40 g (WMS)
Grips:
- Lamkin Crossline 360
- Ladies: Lamkin ST Soft
Features
- Higher launch and maximum forgiveness
- Oversized design for confidence at setup
- Soft feel thanks to urethane microspheres
- Premium shafts for optimal swing profile
Conclusion
Callaway Quantum Max OS Iron are the perfect choice for golfers with a handicap of 18–36+ who are looking for more speed, consistency, and a first-class feel. With innovative technology and a forgiving shape, they will take your game to the next level.