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
The hardest thing to explain is the glaringly evident which everybody had decided not to see. - Ayn Rand