Callaway · Irons · 2026

Quantum Max OS

Best for a 15-30 HCP at 75-100mph who wants the most forgiving 2026 Callaway iron with class-leading SGI mishit support + responsive feel + quieter acoustic than the standard Quantum Max.

Starting from: £841.99
Listings: 10
Retailers: 4
vs RRP: −28%

Build your specA few quick choices — we'll show the cheapest match per condition.

Clubs included

Dominant side

Your specAny setAny hand10 listings

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Brand new

Sealed, retailer warranty

£899.00£1169.00

5-PW · Regular · RH5-PW · Regular · Right-Handed

£270.00

Saved vs RRP

at Click Golf

Like new

Excellent condition / refurb

£841.99£899.00

5-PW · Regular · RH5-PW · Regular · Right-Handed

£57.01

Saved vs new

at Golfclubs4cash

Pre-owned, varying condition

No matches for your spec. Loosen a filter to see options.

About the Callaway Quantum Max OS

The Callaway Quantum Max OS is an 2026 irons from Callaway. Listed on CaddyCompare in 5-GW, 4-GW, 5-PW and 4-PW set compositions, in left-hand and right-hand, with regular, stiff and senior flex options. Compare prices from 4 UK retailers below — currently from £841.99.

Price history

Select your variant

Cheapest now

£842

↓Save 6%vs 30d avg

30-day low

£842

Set 10 May · 2w ago

All-time low

£842

Set 10 May · 2w ago

CaddyIndex™Experimental

Agentic-research score from synthesised reviews, lab tests, and head-to-head comparisons. Relative to category peers — see methodology.

90Forgiveness

88Distance

60Workability

88Feel

84Sound

80Looks

Pros & cons

Pros

Extremely forgiving — dispersions no more than 15-20yd offline, edge over Elyte X
2026 Hot List Gold Medal + high penetrating launch that lands soft and stops
Matches standard Quantum Max ball speed + clubhead speed in same SGI shell
Crisp medium-pitched thwack on quiet side — improvement over standard Quantum Max's loud acoustic

Cons

Chunky SGI shape with thicker topline + more offset + wider sole
0.6° higher launch trades a touch of carry for stopping power
Oversized + high-MOI = high-launch straight bias, no shotmaking ceiling
Incremental upgrade over Elyte X for current owners

Best for: A 15-30 HCP at 75-100mph who wants the most forgiving 2026 Callaway iron with class-leading SGI mishit support + responsive feel + quieter acoustic than the standard Quantum Max.

Avoid if: You're not in the SGI bracket (use standard Quantum Max), you need shotmaking, or you want the most refined GI shape at address.