I have no experience with the 17 M2, but do with the 17 HMR with the plastic tipped bullets. I have found that they do not ricochet. I would imagine that if the distance was far enough and the angle shallow enough that the 17 grain pill would glance off rather than blow up. But at any reasonable distance I have found them to simply blow up. I use a 17 HMR in situations where I absolutely do not want a ricochet. I am careful about what is out in front me, but ricochets can come off at odd angles, especially if the hit a rock. To be safe I use the fragile bullets that will blow up into small pieces so they have no chance of going off into a direction that I have no control of. I have had 22 rim fires come off at fairly sharp angles (sometimes over 30 degree) from where I was shooting. I really do not like that unpredictability.