Here's some info for you to consume, I hope you can access it OK... It will give you some things to look at while waiting for another possible ident...
Rough guide to the US M-1, M-2 M-1C shell
Here's some info for you to consume, I hope you can access it OK... It will give you some things to look at while waiting for another possible ident...
Rough guide to the US M-1, M-2 M-1C shell
Regards, Jim