Question: what is the difference between m1 and m2 irons?
Answer: Both irons have Speed Pockets and Face Slots for forgiveness and distance. The M1 has a more compact head compared to the M2, with a thinner top line and sole. ... You can see below that the M2 iron has a stronger loft, is slightly longer and has more offset. The feel of the M2 is more explosive than the M1.