All bullet manufacturers seem to steer customers towards having lots of spin, some of it, perhaps not required. I think they do this to the avoid bad press that can come from dissatisfied customers.
Shooting a lot of paper, and some animals, I have always found a 1 in 16 twist enough to stabilize 53 grain X's out of a .22 CHeetah. In theory - that's not supposed to be enough.
A few dozen deer might have been happier if the theory was correct though.
