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Specs, loft charts and modeled carry for two sets golfers cross-shop. Callaway Quantum Max OS and Cobra KING MAX each have a full page.
| Spec | Callaway Quantum Max OS | Cobra KING MAX |
|---|---|---|
| Category | Super Game Improvement | Super Game Improvement |
| Player type | High Handicap | High Handicap |
| Model year | 2026 | 2026 |
| 7-iron loft | 26.5° | 29° |
| PW loft | 40.5° | 42.5° |
| Set makeup | 5-iron to PW | 5-iron to PW |
| MSRP | $1,099 | $999 |
| Technology | Wide Sole, Perimeter Weighting, AI Designed Face, Hollow Body, Stronger Lofts | Wide Sole, Hollow Body, Face Insert, Stronger Lofts, High Launch |
| Editorial recognition | - | - |
| Club | Callaway Quantum Max OS | Cobra KING MAX | Loft delta |
|---|---|---|---|
| 5i | 19.5° | 22° | -2.5° |
| 6i | 23° | 25° | -2° |
| 7i | 26.5° | 29° | -2.5° |
| 8i | 31° | 33° | -2° |
| 9i | 35.5° | 37.5° | -2° |
| PW | 40.5° | 42.5° | -2° |
Modeled from TrackMan-based norms scaled to each set's lofts, not measured for these models.
| Club | Moderate swing | Average swing | Faster swing | |||
|---|---|---|---|---|---|---|
| Quantum Max OS | KING MAX | Quantum Max OS | KING MAX | Quantum Max OS | KING MAX | |
| 5i | 167 y | 161 y | 184 y | 178 y | 200 y | 194 y |
| 6i | 158 y | 152 y | 174 y | 168 y | 189 y | 183 y |
| 7i | 148 y | 142 y | 163 y | 157 y | 177 y | 171 y |
| 8i | 138 y | 132 y | 152 y | 146 y | 165 y | 159 y |
| 9i | 126 y | 121 y | 139 y | 134 y | 151 y | 146 y |
| PW | 116 y | 111 y | 128 y | 123 y | 139 y | 134 y |
| Club | Callaway Quantum Max OS | Cobra KING MAX | Δ carry |
|---|---|---|---|
| 5i | 168 yd | 168 yd | 0 |
| 6i | 159 yd | 160 yd | +1 |
| 7i(anchor) | 150 yd | 150 yd | 0 |
| 8i | 139 yd | 140 yd | +1 |
| 9i | 128 yd | 129 yd | +1 |
| PW | 115 yd | 116 yd | +1 |
| Estimated from loft specs · ±5 yd accuracy | avg +0.8 yd | ||
The Callaway Quantum Max OS and the Cobra KING MAX sit in the same super game improvement category, share a 5-iron to PW makeup, and both use a wide sole and hollow body with stronger lofts. The main split is loft. The Quantum Max OS runs a 26.5° 7-iron against 29° in the KING MAX, a gap of 2.5 degrees that works out to roughly 6 yards more carry at the same swing speed. That extra distance comes with a wedge gapping question, since the Quantum Max OS PW sits at 40.5° while the KING MAX PW is 42.5°. Callaway leans on perimeter weighting and an AI designed face. Cobra pairs a face insert with a high launch design, which suits a golfer who struggles to get the ball up.
Pick the Quantum Max OS if distance is the priority and you are willing to sort out your wedge gaps. Pick the KING MAX if you want a higher launch or simply want to spend less. At $999 it lists $100 under the $1,099 Quantum Max OS. Neither set has editorial recognition on file, so price and launch profile are the cleanest tiebreakers. The KING MAX is the safer buy unless you already know you need the extra distance the stronger lofts provide.