guys this is a new one in addition to the recall on the wildcats back in april,
here's the specifics of this one:
Olin Corporation, through its Winchester Division, is recalling several lots of rimfire ammunition.
SUPER-X® HIGH VELOCITY (Symbol X22LR) and POWER-POINT® (Symbol X22LRPP)
Lot Numbers containing Letters: XN, YA, YB or YC
Through extensive evaluation Winchester has determined the above lots of SUPER-X HIGH VELOCITY (X22LR) and POWER-POINT (X22LRPP) 22 Long Rifle rimfire ammunition may contain double powder charges. Double powder charge weight ammunition may cause firearm damage, rendering the firearm inoperable, and subject the shooter to a risk of personal injury and/or death when fired.
DO NOT USE WINCHESTER SUPER-X HIGH VELOCITY (X22LR) or POWER-POINT (X22LRPP) 22 Long Rifle RIMFIRE AMMUNITION WITH LOT NUMBERS CONTAINING LETTERS XN, YA, YB or YC. The ammunition Lot Number is imprinted (stamped without ink) on the outside of the right tuck flap of the 50-round box, as indicated here: