Callaway Quantum Max OS irons, steel
Callaway Quantum Max OS irons, steel
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Callaway Quantum Max OS Men's Irons — Steel
The Callaway Quantum Max OS are super game improvement irons built in an oversized shape, engineered to deliver maximum confidence at address, a higher launch, and the greatest level of forgiveness across misses within the Quantum family. The goal is straightforward: strike the ball more cleanly across the entire face, maintain consistent carry distances, and improve shot-to-shot consistency round after round.
Key Features
- Oversized, Confidence-Inspiring Head Shape — larger profile inspires confidence at address and promotes maximum forgiveness with higher launch.
- Ball Speed + Consistent Carry — the entire design is focused on fast ball speed and stable carry distances throughout the set.
- Modern 360° Undercut Cavity — two-piece construction with prominent perimeter weighting and a fully open undercut for added flex, higher launch and more forgiveness across the face.
- Progressive Tri-Sole Design — progressively tuned sole geometry from long irons to wedges for cleaner turf interaction and more consistent contact.
- Next Generation Ai-Optimized Face Design — AI-shaped face based on real impact data expands the sweet spot and stabilises launch, spin and direction on off-centre strikes.
- Urethane Microspheres — absorbs unwanted vibrations for improved sound and a softer, forged-like feel at impact.
- True Temper Elevate 85 Steel Shaft — high-performance steel shaft available in Regular and Stiff flex.
- Lamkin Crossline 360 Grip — reliable all-weather grip for consistent hand placement.
- Right-Hand & Left-Hand Availability — full set options available in both orientations.
Technology in Detail
Oversized, Confidence-Inspiring Head Shape
The Quantum Max OS features a larger-than-standard clubhead profile that is designed to sit perfectly square at address and instantly inspire confidence. Callaway has engineered this oversized shape specifically to promote a higher launch angle and deliver the maximum level of forgiveness available within the Quantum iron range. The larger head increases the moment of inertia (MOI), meaning that even off-centre strikes retain more energy and stay closer to the intended target line. For players who struggle with consistency or are working to develop their ball-striking, the shape itself is a performance tool.
Ball Speed + Consistent Carry
Every design decision in the Quantum Max OS has been made with one goal: produce fast, consistent ball speed across the full set. The combination of the 360° Undercut Cavity, the AI-Optimized Face, and the progressive sole geometry work in harmony to ensure that the energy transferred at impact is maximised and that carry distances remain predictable from the 4-iron all the way through to the sand wedge. This consistency is particularly valuable for higher-handicap players who need to rely on their irons to produce repeatable yardages, reducing the mental load on the course.
Modern 360° Undercut Cavity
The 360° Undercut Cavity is a two-piece construction that features a pronounced perimeter weighting system and a fully open undercut channel running around the entire perimeter of the clubhead. This engineering approach redistributes mass away from the centre of the head and places it around the edges, dramatically increasing the MOI and the effective sweet spot size. The cavity flexes at impact, effectively lowering the centre of gravity and adding energy back into the ball. The result is a noticeably higher launch angle, faster ball speed, and improved forgiveness on mishits across the entire face — exactly what game improvement irons demand.
Progressive Tri-Sole Design
The Progressive Tri-Sole Design recognises that the ideal sole geometry for a 4-iron is fundamentally different from what is required in a pitching or sand wedge. In the Quantum Max OS, the sole width and geometry are progressively adjusted from club to club throughout the set. The longer irons feature wider, more forgiving soles that help reduce the tendency to dig on heavy strikes, while the shorter irons and wedges transition to a more sculpted profile that allows for cleaner, crisper contact from a variety of lies. The outcome is more consistent turf interaction and repeatable strikes even when conditions or ball position are not ideal.
Next Generation Ai-Optimized Face Design
Callaway's next generation AI face design technology uses machine learning to analyse thousands of real-world impact patterns and then creates a face architecture that could not be designed by human engineers alone. The resulting face geometry features subtle, variable thickness across its surface, tuned so that areas most frequently contacted by golfers at different skill levels respond with maximum speed and accuracy. The sweet spot is effectively enlarged, and shots that miss the geometric centre still produce consistent launch angles, spin rates, and directional results. This technology narrows the performance gap between your best strikes and your average ones.
Urethane Microspheres
Hidden inside the clubhead, Urethane Microspheres are microscopic hollow spheres that are injected into the cavity of the iron head. At impact, these microspheres collapse and then reform, absorbing the high-frequency vibrations that typically produce a harsh or metallic sound and an uncomfortable feeling in the hands. The practical effect is a noticeably softer, more refined feel and a muted, pleasant sound at the moment of contact — qualities more commonly associated with premium forged blades than game improvement irons. This technology allows the Quantum Max OS to deliver both maximum forgiveness and a forged-like sensory experience simultaneously.
Shaft
True Temper (Project X) Elevate Black 85 — Steel shaft, available in Regular and Stiff flex.
Grip
Lamkin Crossline 360 grip
Specifications
| 4 | 5 | 6 | 7 | 8 | 9 | PW | AW | GW | SW | |
| Loft | 19° | 22° | 25° | 29° | 33° | 37° | 42° | 47° | 51° | 55° |
| HL (custom) | 21° | 24° | 27° | 31° | 35° | 39° | 44° | 49° | 53° | 57° |
| Lie | 60.375° | 61° | 61.625° | 62.25° | 62.875° | 63.5° | 63.75° | 64° | 64° | 64° |
| Length | 39.125" | 38.5" | 37.875" | 37.25" | 36.625" | 36" | 35.75" | 35.5" | 35.5" | 35.25" |
| Offset (mm) | 6.35 | 5.89 | 5.41 | 4.8 | 4.19 | 3.56 | 2.79 | 2.21 | 1.65 | 1.12 |
| Hand | RH/LH | RH/LH | RH/LH | RH/LH | RH/LH | RH/LH | RH/LH | RH/LH | RH/LH | RH/LH |
RH = Right Hand, LH = Left Hand.
Product variants

- Callaway Quantum Max OS irons, steel
-
Intended Use: pánskéGrip: levéVariant / Configuration: 4 železoShaft Material: ocelFlex: RegularShaft: True Temper Elevate
- Code: 4N700486N2006
- EAN: 197193836605
-
Usually 14 days

- Callaway Quantum Max OS irons, steel
-
Intended Use: pánskéGrip: levéVariant / Configuration: 4 železoShaft Material: ocelFlex: StiffShaft: True Temper Elevate
- Code: 4N700486N3006
- EAN: 197193836803
-
Usually 14 days

- Callaway Quantum Max OS irons, steel
-
Intended Use: pánskéGrip: levéVariant / Configuration: 5 železoShaft Material: ocelFlex: RegularShaft: True Temper Elevate
- Code: 4N700586N2006
- EAN: 197193836629
-
Usually 14 days

- Callaway Quantum Max OS irons, steel
-
Intended Use: pánskéGrip: levéVariant / Configuration: 5P (6 želez)Shaft Material: ocelFlex: RegularShaft: True Temper Elevate
- Code: 4N705086N2006
- EAN: 197193840091
-
Usually 14 days

- Callaway Quantum Max OS irons, steel
-
Intended Use: pánskéGrip: levéVariant / Configuration: 5P (6 želez)Shaft Material: ocelFlex: StiffShaft: True Temper Elevate
- Code: 4N705086N3006
- EAN: 197193840213
-
Usually 14 days

- Callaway Quantum Max OS irons, steel
-
Intended Use: pánskéGrip: levéVariant / Configuration: 6 železoShaft Material: ocelFlex: RegularShaft: True Temper Elevate
- Code: 4N700686N2006
- EAN: 197193836643
-
Usually 14 days

- Callaway Quantum Max OS irons, steel
-
Intended Use: pánskéGrip: levéVariant / Configuration: 7 železoShaft Material: ocelFlex: RegularShaft: True Temper Elevate
- Code: 4N700786N2006
- EAN: 197193836667
-
Usually 14 days

- Callaway Quantum Max OS irons, steel
-
Intended Use: pánskéGrip: levéVariant / Configuration: 8 železoShaft Material: ocelFlex: RegularShaft: True Temper Elevate
- Code: 4N700886N2006
- EAN: 197193836681
-
Usually 14 days

- Callaway Quantum Max OS irons, steel
-
Intended Use: pánskéGrip: levéVariant / Configuration: 9 železoShaft Material: ocelFlex: RegularShaft: True Temper Elevate
- Code: 4N700986N2006
- EAN: 197193836704
-
Usually 14 days

- Callaway Quantum Max OS irons, steel
-
Intended Use: pánskéGrip: levéVariant / Configuration: AW (Approach wedge)Shaft Material: ocelFlex: RegularShaft: True Temper Elevate
- Code: 4N702186N2006
- EAN: 197193836742
-
Usually 14 days

- Callaway Quantum Max OS irons, steel
-
Intended Use: pánskéGrip: levéVariant / Configuration: AW (Approach wedge)Shaft Material: ocelFlex: StiffShaft: True Temper Elevate
- Code: 4N702186N3006
- EAN: 197193836940
-
Usually 14 days

- Callaway Quantum Max OS irons, steel
-
Intended Use: pánskéGrip: levéVariant / Configuration: GW (Gap wedge)Shaft Material: ocelFlex: RegularShaft: True Temper Elevate
- Code: 4N702286N2006
- EAN: 197193836766
-
Usually 14 days

- Callaway Quantum Max OS irons, steel
-
Intended Use: pánskéGrip: levéVariant / Configuration: GW (Gap wedge)Shaft Material: ocelFlex: StiffShaft: True Temper Elevate
- Code: 4N702286N3006
- EAN: 197193836964
-
Usually 14 days

- Callaway Quantum Max OS irons, steel
-
Intended Use: pánskéGrip: levéVariant / Configuration: PW (Pitching wedge)Shaft Material: ocelFlex: RegularShaft: True Temper Elevate
- Code: 4N702086N2006
- EAN: 197193836728
-
Usually 14 days

- Callaway Quantum Max OS irons, steel
-
Intended Use: pánskéGrip: levéVariant / Configuration: SW (Sand wedge)Shaft Material: ocelFlex: RegularShaft: True Temper Elevate
- Code: 4N702386N2006
- EAN: 197193836780
-
Usually 14 days

- Callaway Quantum Max OS irons, steel
-
Intended Use: pánskéGrip: levéVariant / Configuration: SW (Sand wedge)Shaft Material: ocelFlex: StiffShaft: True Temper Elevate
- Code: 4N702386N3006
- EAN: 197193836988
-
Usually 14 days

- Callaway Quantum Max OS irons, steel
-
Intended Use: pánskéGrip: pravéVariant / Configuration: 4 železoShaft Material: ocelFlex: RegularShaft: True Temper Elevate
- Code: 4N600486N2006
- EAN: 197193835806
-
Usually 14 days

- Callaway Quantum Max OS irons, steel
-
Intended Use: pánskéGrip: pravéVariant / Configuration: 4 železoShaft Material: ocelFlex: StiffShaft: True Temper Elevate
- Code: 4N600486N3006
- EAN: 197193836001
-
Usually 14 days

- Callaway Quantum Max OS irons, steel
-
Intended Use: pánskéGrip: pravéVariant / Configuration: 4P (7 želez)Shaft Material: ocelFlex: RegularShaft: True Temper Elevate
- Code: 4N604486N2006
- EAN: 197193839552
-
Usually 14 days

- Callaway Quantum Max OS irons, steel
-
Intended Use: pánskéGrip: pravéVariant / Configuration: 4P (7 želez)Shaft Material: ocelFlex: StiffShaft: True Temper Elevate
- Code: 4N604486N3006
- EAN: 197193839712
-
Usually 14 days

- Callaway Quantum Max OS irons, steel
-
Intended Use: pánskéGrip: pravéVariant / Configuration: 5 železoShaft Material: ocelFlex: RegularShaft: True Temper Elevate
- Code: 4N600586N2006
- EAN: 197193835820
-
Usually 14 days

- Callaway Quantum Max OS irons, steel
-
Intended Use: pánskéGrip: pravéVariant / Configuration: 5 železoShaft Material: ocelFlex: StiffShaft: True Temper Elevate
- Code: 4N600586N3006
- EAN: 197193836025
-
Usually 14 days

- Callaway Quantum Max OS irons, steel
-
Intended Use: pánskéGrip: pravéVariant / Configuration: 5P (6 želez)Shaft Material: ocelFlex: RegularShaft: True Temper Elevate
- Code: 4N605086N2006
- EAN: 197193839590
-
In stock 3 pcs

- Callaway Quantum Max OS irons, steel
-
Intended Use: pánskéGrip: pravéVariant / Configuration: 5P (6 želez)Shaft Material: ocelFlex: StiffShaft: True Temper Elevate
- Code: 4N605086N3006
- EAN: 197193839750
-
Usually 14 days

- Callaway Quantum Max OS irons, steel
-
Intended Use: pánskéGrip: pravéVariant / Configuration: 5PS (7 želez)Shaft Material: ocelFlex: RegularShaft: True Temper Elevate
- Code: 4N604886N2006
- EAN: 197193839637
-
Usually 14 days

- Callaway Quantum Max OS irons, steel
-
Intended Use: pánskéGrip: pravéVariant / Configuration: 6 železoShaft Material: ocelFlex: RegularShaft: True Temper Elevate
- Code: 4N600686N2006
- EAN: 197193835844
-
Usually 14 days

- Callaway Quantum Max OS irons, steel
-
Intended Use: pánskéGrip: pravéVariant / Configuration: 6 železoShaft Material: ocelFlex: StiffShaft: True Temper Elevate
- Code: 4N600686N3006
- EAN: 197193836049
-
Usually 14 days

- Callaway Quantum Max OS irons, steel
-
Intended Use: pánskéGrip: pravéVariant / Configuration: 6P (5 želez)Shaft Material: ocelFlex: RegularShaft: True Temper Elevate
- Code: 4N606586N2006
- EAN: 197193839651
-
Usually 14 days

- Callaway Quantum Max OS irons, steel
-
Intended Use: pánskéGrip: pravéVariant / Configuration: 7 železoShaft Material: ocelFlex: RegularShaft: True Temper Elevate
- Code: 4N600786N2006
- EAN: 197193835868
-
Usually 14 days

- Callaway Quantum Max OS irons, steel
-
Intended Use: pánskéGrip: pravéVariant / Configuration: 7 železoShaft Material: ocelFlex: StiffShaft: True Temper Elevate
- Code: 4N600786N3006
- EAN: 197193836063
-
Usually 14 days

- Callaway Quantum Max OS irons, steel
-
Intended Use: pánskéGrip: pravéVariant / Configuration: 8 železoShaft Material: ocelFlex: RegularShaft: True Temper Elevate
- Code: 4N600886N2006
- EAN: 197193835882
-
Usually 14 days

- Callaway Quantum Max OS irons, steel
-
Intended Use: pánskéGrip: pravéVariant / Configuration: 8 železoShaft Material: ocelFlex: StiffShaft: True Temper Elevate
- Code: 4N600886N3006
- EAN: 197193836087
-
Usually 14 days

- Callaway Quantum Max OS irons, steel
-
Intended Use: pánskéGrip: pravéVariant / Configuration: 9 železoShaft Material: ocelFlex: RegularShaft: True Temper Elevate
- Code: 4N600986N2006
- EAN: 197193835905
-
Usually 14 days

- Callaway Quantum Max OS irons, steel
-
Intended Use: pánskéGrip: pravéVariant / Configuration: 9 železoShaft Material: ocelFlex: StiffShaft: True Temper Elevate
- Code: 4N600986N3006
- EAN: 197193836100
-
Usually 14 days

- Callaway Quantum Max OS irons, steel
-
Intended Use: pánskéGrip: pravéVariant / Configuration: AW (Approach wedge)Shaft Material: ocelFlex: RegularShaft: True Temper Elevate
- Code: 4N602186N2006
- EAN: 197193835943
-
In stock 1 pcs

- Callaway Quantum Max OS irons, steel
-
Intended Use: pánskéGrip: pravéVariant / Configuration: AW (Approach wedge)Shaft Material: ocelFlex: StiffShaft: True Temper Elevate
- Code: 4N602186N3006
- EAN: 197193836148
-
Usually 14 days

- Callaway Quantum Max OS irons, steel
-
Intended Use: pánskéGrip: pravéVariant / Configuration: GW (Gap wedge)Shaft Material: ocelFlex: RegularShaft: True Temper Elevate
- Code: 4N602286N2006
- EAN: 197193835967
-
Usually 14 days

- Callaway Quantum Max OS irons, steel
-
Intended Use: pánskéGrip: pravéVariant / Configuration: GW (Gap wedge)Shaft Material: ocelFlex: StiffShaft: True Temper Elevate
- Code: 4N602286N3006
- EAN: 197193836162
-
Usually 14 days

- Callaway Quantum Max OS irons, steel
-
Intended Use: pánskéGrip: pravéVariant / Configuration: PW (Pitching wedge)Shaft Material: ocelFlex: RegularShaft: True Temper Elevate
- Code: 4N602086N2006
- EAN: 197193835929
-
Usually 14 days

- Callaway Quantum Max OS irons, steel
-
Intended Use: pánskéGrip: pravéVariant / Configuration: PW (Pitching wedge)Shaft Material: ocelFlex: StiffShaft: True Temper Elevate
- Code: 4N602086N3006
- EAN: 197193836124
-
Usually 14 days

- Callaway Quantum Max OS irons, steel
-
Intended Use: pánskéGrip: pravéVariant / Configuration: SW (Sand wedge)Shaft Material: ocelFlex: RegularShaft: True Temper Elevate
- Code: 4N602386N2006
- EAN: 197193835981
-
Usually 14 days

- Callaway Quantum Max OS irons, steel
-
Intended Use: pánskéGrip: pravéVariant / Configuration: SW (Sand wedge)Shaft Material: ocelFlex: StiffShaft: True Temper Elevate
- Code: 4N602386N3006
- EAN: 197193836186
-
Usually 14 days
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