Regarding Concentric Circled On Navy Mags

[Norme]

Originally Posted by alanint

Every service has its peculiarities and vanities. It is not unusual to see branches add silly things to weapons and gear, just so they can call it their own.

Since the Navy adopted the Luger four years before the Army did, one could make the case that this was an instance of the Army "adding a silly thing so they could call it their own". In reality I'm sure that this was done to simplify high volume production.
Norm