Carter doesn't use a gun. He uses a chillingly calm psychological breakdown of his opponents' weaknesses and a demonstration of "calculated force" to dismantle the threat without breaking a sweat.
To save the team, Carter reveals he didn’t just grow up in the rough parts of the city; he was the primary enforcer for the city’s most feared boss before going clean. [S9E7] Carter the Enforcer
(He removes his glasses slowly, folding them and placing them on the table with a soft clack .) "The glasses aren't for my vision, Elias. They're a reminder to stay polite. But since you’ve decided to stop being polite..." Carter doesn't use a gun
"I know your security chief is carrying a jammed subcompact, and I know your exit driver is waiting on a blown tire. I can walk out of here, or I can remind you why they used to call me 'The Enforcer.' Which version of me do you want to finish this conversation with?" (He removes his glasses slowly, folding them and
The threat is neutralized, but the team now looks at Carter with a mix of awe and fear, wondering who exactly has been sitting at the desk next to them for nine seasons. Scene Snippet: "The Change"
(Carter leans forward, his voice dropping an octave. The room goes dead silent.)