The unstated assumption is: if the police are allowed to carry this type of ammunition and firearms, so should citizens under the Constitution of this State and the United States.
That is an assumption we should all applaud.
It should be stated, IMO. The court is acting improperly by evading the Second Amendment argument. And it’s the intent of laws that count—not technicalities.
[Disclaimer: I’m not an attorney. If you need legal advice, seek a properly licensed attorney. This is a discussion of public policy.]