Probably a defective bullet, thinner than needed jacket or out of balance. I seriously doubt this is any reflection on quality of the rifle.
I knew a guy once that had a bunch of these once. He was trying to hot rod a .17 Remington.
Useless, and kind of funny, but it never really hurt anything.
MSgt, USAF, Retired
NRA Life Member
"We've replaced what was an exceptional country with a tolerant country. " Greg Gutfeld