Change in M1 Rifle firing Pin

Gentlemen,
This is for the new guys. Here we find a change maybe made in the M1 Garand Firing Pin. Please check out the DATE on this file.

https://www.milsurps.com/images/impo.../1129411-1.jpg

https://www.milsurps.com/images/impo...dernowa2-1.jpg

Thanks again for taking the time and effort to read this data. I hope you learn some data on the M1 Garand.
Clancy
ps could use some hits
NRA Life Endowment
NRA Training Counselor
NRA Instructor
FSS 90% / BW X Speed Div by 1000 = PF