[It seems pretty awkward, the way the guy says it. Like he has to think about what he's called. And that strikes 9S as pretty sketchy. But this guy is a human, and humans are entitled quite a high threshold of acceptance of whatever they come up with, and so 9S only squints for a pointed moment or two before letting it go.

Noctis will never know he was treated to the android equivalent of the Fry Squint]

Weapons where I'm from don't require ammunition like that, so it's not a problem. So... What should I call you, Sir?

[Is it Ray, is it Jack, is it Ray-Jack?

It still sounds like a piece of equipment, if you ask him]