Look at how much slack fabric exists on the left sleeve.
If he had raised his hand, the wrist wouldn't need to move at all.
This is fake ass autism.
Why would you assume the gun wouldn't just be on the seat next to him, or in the cupholder or some shit?
He probably put his seatbelt on out of habit, and to stop the fucking dinging.
I'm sure this guy was killed by black hats and everything, but you sound like retards with these shit arguments.