What is this 'shield' mark on this M1 Carbine? **PICS**
I've never seen markings like this on the M1 Carbine before. Both the trigger housing and the stock have what looks like a shield. It almost looks like a horse or a lion inside the shield.
It also has some extra stampings on the bottom of the trigger guard and on the recoil plate.
What does this mean?
https://www.milsurps.com/images/impo...10cca2d6-1.jpg
https://www.milsurps.com/images/impo...b9bc86e2-1.jpg
https://www.milsurps.com/images/impo...97ca718d-1.jpg
https://www.milsurps.com/images/impo...1176629b-1.jpg
https://www.milsurps.com/images/impo...ce16f105-1.jpg
Receiver is a Standard Products and the barrel is Underwood marked with the flaming bomb.