Callaway Quantum Max Iron Set (QUANTUM MAX STS)

Who’s It For?

Designed for golfers who want confidence‑boosting performance, the Callaway Quantum Max Irons cater to players seeking powerful ball speed, consistent carry distances, and forgiveness across the face. The clean, modern shaping appeals to those who prefer a sleek look at address while still enjoying help on off‑center strikes, making them a strong fit for mid‑ to high‑handicap golfers aiming to hit more solid shots and improve scoring control.

The Tech Story

Engineered to maximize speed, launch, and consistency, the Callaway Quantum Max Irons integrate a suite of advanced technologies that work together throughout the set. A Modern 360° Undercut Cavity uses an innovative two‑piece construction with extreme perimeter weighting and a fully exposed undercut to promote faster ball speeds, higher launch, and added face flex for forgiveness where players impact the ball most. The Progressive Tri‑Sole Design refines turf interaction by tailoring sole geometry from long irons to wedges, helping golfers maintain cleaner contact and efficient speed retention even on heavier strikes. Callaway’s Next Generation AI‑Optimized Face further boosts performance by intelligently shaping each face to match real‑world impact patterns, delivering more consistent launch, spin, and dispersion across a larger effective sweet spot. Urethane Microspheres enhance the sensory experience by dampening unwanted vibrations for a softer, forged‑like feel at impact. All of this is wrapped in a refined, confidence‑inspiring shape that pairs modern aesthetics with forgiving performance to give golfers speed, control, and reliability swing after swing.

Facts and Figures

Construction: Cast

Category: Game Improvement

Stock Set Makeup: 4 – PW

Quantum Max HL Specs are 2° Weak

Women’s Standard length is -1” from Men’s Standard length

Stock Shafts and Grips

Stock Steel Shafts: KBS MAX 90 (R, S)

Stock Graphite Shafts: Project X Denali Frost Silver 60 (R), Project X Denali Frost 70 (S), Mitsubishi Chemical Vanquish 50 (SR), Mitsubishi Chemical Eldio 40 (L)

Stock Grips: Golf Pride Tour Velvet 360 Gray Cap Chev Logo Standard 50g, Women’s Lamkin Comfort ST Soft Chev Logo Black/Silver Undersize 44g

Get Fit

2nd Swing offers award-winning club fitting services at each of our store locations and through the 2nd Swing Online Fitting and Support team on 2ndswing.com. Make sure your equipment is fit for your game and schedule your award-winning fitting experience by calling (612) 216-4152 or by visiting the 2nd Swing fitting website: https://www.2ndswing.com/golf-club-fittings.