M3 Irons & M4 Irons
Straight Distance with
RIBCOR

A breakthrough innovation in irons performance, designed to help you hit it LONGER, HIGHER, and STRAIGHTER-only in M3 and M4 irons.

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STRAIGHT DISTANCE AT ITS CORE

From the weekend amateur to the seasoned Tour pro, RIBCOR has been engineered to help all golfers send the ball far and straight.

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Distance Alley

Whether you need to find the fairway or stick a tucked pin, RIBCOR delivers the ballspeed and control to hit your target with precision.


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M3 Irons M4 Irons

LONGER, HIGHER, STRAIGHTER

M4 unlocks a new level of straightness and distance in a product designed to be the longest in our irons lineup.

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M4 Irons

M4 Irons KEY PERFORMANCE TECHNOLOGIES

RIBCOR

Localizes face flexibility, transferring more energy to the ball to increase ball speed and promote straighter shots.

FACE SLOTS

Enhance face flexibility in the heel and toe areas to preserve ballspeed on mis-hits for greater consistency.

SPEED POCKET

Improves low-face flexibility to deliver more ballspeed where golfers commonly mis-hit.

LOW-CG DESIGN

The Fluted Hosel and 360° Undercut enable the relocation of weight (low in the clubhead) to improve launch, spin, and forgiveness.

SERIOUS DISTANCE

Packed with performance and refined to suit the better player's eye, M3 offers distance, forgiveness, and control for the serious golfer.

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M3 Irons

M3 Irons KEY PERFORMANCE TECHNOLOGIES

RIBCOR

Localizes face flexibility, transferring more energy to the ball to increase ball speed and promote straighter shots.

TUNGSTEN

15-gram tungsten weight optimizes CG placement for improved launch and stability.

FACE SLOTS

Enhance face flexibility in the heel and toe areas to preserve ballspeed on mis-hits for greater consistency.

SPEED POCKET

Improves low-face flexibility to deliver more ballspeed where golfers commonly mis-hit.

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Shop M3 Irons

M3 Irons

RIBCOR | Compact Shape

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Shop M4 Irons

M4 Irons

RIBCOR | Forgiveness

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