Callaway Women's Quantum Max OS Irons 2026
Callaway Women's Quantum Max OS Irons 2026
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Orders begin shipping 2/27/2026
Women's Quantum Max OS Irons
Quantum Max OS blends confidence with maximum forgiveness, powerful speed, and consistent carry — all in an oversized shape designed to help golfers hit it more solid across the face.
Modern 360° Undercut
The Modern 360° Undercut Cavity is designed to deliver faster ball speeds, higher launch, and more forgiveness across the face, thanks to its advanced two-piece design with extreme perimeter weighting and a fully exposed undercut for added flex where golfers need it most.
Features & Benefits
Progressive Tri-Sole Design

Promotes cleaner, more consistent content across the set, with a reengineered sole geometry that adapts from long irons to wedges for smooth turf interaction and efficient speed retention - even on heavy strikes.
Next-Generation Ai-Optimized Face Design

Delivers fast ball speeds, and more consistent launch, spin, and dispersion by intelligently shaping the face to match real-world impact patterns and expand the sweet spot.
Urethane Microspheres

Enhance sound and feel at impact by absorbing unwanted vibration, delivering a softer, forged-like sensation, in a high-speed game-improvement head.
Oversized-Confidence Inspiring Shape

Built for higher launch and maximum forgiveness - all in an oversized shape that inspires confidence at address.
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COMPARISON CHART
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| Quantum Max Iron | Quantum Max OS Iron | |
| Overview | Speed & Forgiveness | Speed & Maximum Forgiveness |
| Profile | Midsized | Oversized |
| Forgiveness | High | Highest |
| Model Type | Game Improvement | Super Game Improvement |
| Launch | Higher | highest launch |
| Custom HL (High-Launch) Spec Available | Yes | Yes |
| Hand/Loft | 4-9, PW, AW, GW, SW | 4-9, PW, AW, GW, SW |
| Best For | Powerful speed, consistent carry, and forgiving performance across the face. | Blends confidence with maximum forgiveness, powerful speed, and consistent carry. |
SPECS
Are you looking for a different set makeup? Interested in Ladies build? Use our custom irons and add as many irons as you want in your set to your cart and check out. Then send an email to LeftiesOnly@comcast.net letting us know exactly which clubs, Shaft flex and Grip along with any other adjustments you want.
Did you get fit and want the club made to your specs? Are you a man looking for a +1 or -1 length? Do you feel a bigger grip might be more comfortable? Are you a woman who wished this men’s irons came in Ladies? Do you want us to investigate a different shaft or grip option?
All while maintaining the manufactures warrantees!!!
We know you’re a lefty and aren't used to options, but you have rights too!!!! Don't settle!!! You deserve a product that fits you too. Please call 1800-LEFTIES or email us at leftiesonly@comcast.net and let us know what customization you would like, and we will let you know how we can make it happen.
Most customizations don't cost you extra. Don't settle!!! Call or email and let us help you create your perfect club.
| CLUB | Loft | HL Spec- (Custom only) | Lie | Women's Length | Offset (mm) |
|---|---|---|---|---|---|
| 4 | 19° | 21° | 60.375° | 38.125" | 6.35 |
| 5 | 22° | 24° | 61.00° | 37.50" | 5.89 |
| 6 | 25° | 27° | 61.625° | 36.875" | 5.41 |
| 7 | 29° | 31° | 62.25° | 36.25" | 4.80 |
| 8 | 33° | 35° | 62.875° | 35.625" | 4.19 |
| 9 | 37° | 39° | 63.50° | 35.00" | 3.56 |
| PW | 42° | 44° | 63.75° | 34.75" | 2.79 |
| AW | 47° | 49° | 64.00° | 34.50" | 2.21 |
| GW | 51° | 53° | 64.00° | 34.50" | 1.65 |
| SW | 55° | 57° | 64.00° | 34.25" | 1.12 |
SHAFT

| MANUFACTURER | SWINGWEIGHT | FLEX | WEIGHT CLASS | LAUNCH |
|---|---|---|---|---|
| MITSUBISHI CHEMICAL | D0 | L | 40g | HIGH |
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