today for the first time ever I had 3 22's failed to fire right in a row. all from a winchester 555 box that is about half full. no ftf in any others previously from that box. these were stored in heated house for at least 4 years then moved the box to a place that is unheated and they were near the floor if that makes any difference. the firing pin mark is there and I even tried them each twice they would not fire. im going to try and shoot a bunch more from the box tomorrow.
I switched over to some cci's and they all fired from the same gun so its not the gun. until this I have had nothing but good things to say about winchester copper plated hollow points from the white 555 boxes