help Winchester 100 firing pin

[Gunman]

hello I  took th firing pin out of my  Winchester 100 to see if it had been replace and what I found was one that has a cap on the end then is fat and then slims down to has skinny has a  nail  with a round piece in the center is this the new replacement type or not please let me know thanks. I now have a picture of the one I took out of the gun if you need to see it.

[smoji]

Doesn't sound like the new one.
Contact Winchester Product Service at 1-800-852-5734 and they can tell you whether your gun has been serviced under the firing pin recall and if it hasn't, they will advise how to proceed.