Price
$164 per iron
Callaway Quantum Max OS
Price
$164 per iron
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matt martian photography
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Why We Like It
- Callaway returns to its roots in this category with an oversize clubhead that has plenty of offset, a thicker topline, and weaker lofts to help golfers get the ball airborne.
- For those needing even more help launching the ball, a version with 2-degree weaker lofts is available through custom order.
- The 360-degree undercut cavity creates more springlike effect because of a cupface that extends toward the rear of the sole.
- Higher-handicappers tend to have a forward press at address, leading to digging or fat shots at impact. Callaway addresses this with a tri-sole design in which the leading-edge chamfer sits higher off the ground to minimize fat shots.
- A weight bar allows the center of gravity to remain low and forward without inhibiting flex on the sole flange, keeping speed up on shots hit low on the face.
- Top 5 in Performance, high-handicaps
- SPECS: 7-iron: 29 degrees; PW: 42 degrees
what our testers said
handicap
- all
- low
- mid
- high
COMMENT SUMMARY
Hot List testers noted a high, penetrating launch that lands soft and stops, delivering strong distance, forgiveness and tight dispersion. Low, rear weighting stabilizes the head; slight offset and thicker, supportive lines create a confidence-inspiring profile. Impact feel was widely praised — firm and satisfying (longer irons give a louder clap, shorter irons a muted click) — and the generous sweet spot produced consistent carry. One caveat: a few mis-hits tended to leak right.
Summaries generated from tester comments with the assistance of AI.
COMMENT SUMMARY
Summaries generated from tester comments with the assistance of AI.
COMMENT SUMMARY
Summaries generated from tester comments with the assistance of AI.
COMMENT SUMMARY
Summaries generated from tester comments with the assistance of AI.
Timothy
46, Handicap 17
1 year testing
Hitting this club was like opening a fresh, cold can of beer after a long day of work in the sun, with a sound at impact to match. It was very satisfying and thirst-quenching to hit on every swing. Most of my shots flew high and straight at my target.
Matt
53, Handicap 11
4 years testing
A good looking club that conceals its heft well and produces consistently straight shots with a high trajectory. I found the feel at impact to be quite firm, almost uncomfortably so.
Ryan
50, Handicap 10
8 years testing
Put these in your bag. This club flat out excels in every area—distance, forgiveness, direction, ease of use, etc. Everything was easy with this club. I loved seeing it fly long, high and straight on my intended line. It would land soft and roll out when I wanted. Just a pure joy to swing.
Shane
37, Handicap 12
6 years testing
You can sense there's some real energy being delivered from the face to the ball. It comes off really hot, and gets up high in the air very quickly. I felt like I could move the ball a little more intentionally. It wasn't just a straight shot every time.
Jin
30, Handicap 10
2 years testing
Very consistent performance. Distance was just about right, and the dispersion was better than average. A few of my mis-hits leaked out to the right, but not too much. Favorable high, penetrating ball flight.
SEE ALL (12)
Timothy
46, Handicap 17
1 year testing
Hitting this club was like opening a fresh, cold can of beer after a long day of work in the sun, with a sound at impact to match. It was very satisfying and thirst-quenching to hit on every swing. Most of my shots flew high and straight at my target.
Matt
53, Handicap 11
4 years testing
A good looking club that conceals its heft well and produces consistently straight shots with a high trajectory. I found the feel at impact to be quite firm, almost uncomfortably so.
Ryan
50, Handicap 10
8 years testing
Put these in your bag. This club flat out excels in every area—distance, forgiveness, direction, ease of use, etc. Everything was easy with this club. I loved seeing it fly long, high and straight on my intended line. It would land soft and roll out when I wanted. Just a pure joy to swing.
Shane
37, Handicap 12
6 years testing
You can sense there's some real energy being delivered from the face to the ball. It comes off really hot, and gets up high in the air very quickly. I felt like I could move the ball a little more intentionally. It wasn't just a straight shot every time.
Jin
30, Handicap 10
2 years testing
Very consistent performance. Distance was just about right, and the dispersion was better than average. A few of my mis-hits leaked out to the right, but not too much. Favorable high, penetrating ball flight.
Todd
62, Handicap 13
1 year testing
Delivers a spectacular feel, ball flight and dispersion. It sets up well, feels great throughout the swing, and really thrusts the ball out to the target. Overall, a great hitting experience. Fun to play.
Scott
38, Handicap 16
10+ years testing
This is a solid choice for a player who has an easy swing and is looking for an iron with a larger profile and just a bit more height. Impact delivers a clean, crisp sound, makes you feel like a better player.
Ryan
47, Handicap 12
3 years testing
Most conservative design of any club in this category. It looks like a thicker version of a game-improvement iron. Center strikes were non-existent, and my misses were wide both left and right. It just felt like I was throwing the head at the ball with no clue where it would go.
Daniel
34, Handicap 11
6 years testing
Ball flight started out high, finished high, and landed soft. It was super easy to get the ball up in the air, without any loss in distance due to the extra height. Longer irons had a loud, clapping sound to them; shorter irons more of a muted, aesthetically pleasing click on impact.
Aaron
45, Handicap 16
1 year testing
It has a nice-size sweet spot, but you can definitely feel the mis-hits. Firm off the face, but in a good way. The numbers show the ball sort of balloons and falls straight down out of the sky, so it's good for stopping the ball coming into the green.
Gary
38, Handicap 13
10+ years testing
Low, rear weighting helps stabilize the clubhead and consistently bottom it out underneath the ball at impact. Good harmony of thicker, supportive lines and offset without screaming, 'I need help!'
Wei
55, Handicap 14
10+ years testing
I like the overall dimensions of this club. The slight offset is comforting, and it feels like there's a massive hitting area on the face. At impact, the ball seems to take off vertically immediately. It's very easy to hit high in the air with good carry and distance. Impact is firm without being harsh.
Timothy
46, Handicap 17
1 year testing
Hitting this club was like opening a fresh, cold can of beer after a long day of work in the sun, with a sound at impact to match. It was very satisfying and thirst-quenching to hit on every swing. Most of my shots flew high and straight at my target.
Matt
53, Handicap 11
4 years testing
A good looking club that conceals its heft well and produces consistently straight shots with a high trajectory. I found the feel at impact to be quite firm, almost uncomfortably so.
Ryan
50, Handicap 10
8 years testing
Put these in your bag. This club flat out excels in every area—distance, forgiveness, direction, ease of use, etc. Everything was easy with this club. I loved seeing it fly long, high and straight on my intended line. It would land soft and roll out when I wanted. Just a pure joy to swing.
Shane
37, Handicap 12
6 years testing
You can sense there's some real energy being delivered from the face to the ball. It comes off really hot, and gets up high in the air very quickly. I felt like I could move the ball a little more intentionally. It wasn't just a straight shot every time.
Jin
30, Handicap 10
2 years testing
Very consistent performance. Distance was just about right, and the dispersion was better than average. A few of my mis-hits leaked out to the right, but not too much. Favorable high, penetrating ball flight.
Todd
62, Handicap 13
1 year testing
Delivers a spectacular feel, ball flight and dispersion. It sets up well, feels great throughout the swing, and really thrusts the ball out to the target. Overall, a great hitting experience. Fun to play.
Scott
38, Handicap 16
10+ years testing
This is a solid choice for a player who has an easy swing and is looking for an iron with a larger profile and just a bit more height. Impact delivers a clean, crisp sound, makes you feel like a better player.
Ryan
47, Handicap 12
3 years testing
Most conservative design of any club in this category. It looks like a thicker version of a game-improvement iron. Center strikes were non-existent, and my misses were wide both left and right. It just felt like I was throwing the head at the ball with no clue where it would go.
Daniel
34, Handicap 11
6 years testing
Ball flight started out high, finished high, and landed soft. It was super easy to get the ball up in the air, without any loss in distance due to the extra height. Longer irons had a loud, clapping sound to them; shorter irons more of a muted, aesthetically pleasing click on impact.
Aaron
45, Handicap 16
1 year testing
It has a nice-size sweet spot, but you can definitely feel the mis-hits. Firm off the face, but in a good way. The numbers show the ball sort of balloons and falls straight down out of the sky, so it's good for stopping the ball coming into the green.
Gary
38, Handicap 13
10+ years testing
Low, rear weighting helps stabilize the clubhead and consistently bottom it out underneath the ball at impact. Good harmony of thicker, supportive lines and offset without screaming, 'I need help!'
Wei
55, Handicap 14
10+ years testing
I like the overall dimensions of this club. The slight offset is comforting, and it feels like there's a massive hitting area on the face. At impact, the ball seems to take off vertically immediately. It's very easy to hit high in the air with good carry and distance. Impact is firm without being harsh.
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Range Results
We tracked 20,000 shots through player testing and then had them analyzed by our team of scientists. These graphics reflect the relative performance our players saw for each club in the category.
A Skeptic’s Guide To New Golf Equipment
From the Manufacturer
Callaway Quantum Max OS
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. 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. The Progressive Tri-Sole Design promotes cleaner, more consistent contact 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.
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