Caitlyn's momentary surprise at the shot ringing out and the deer's subsequent charge barely registers in her posture or how she holds the rifle. She watches the deer charge, tracking it with the barrel of the rifle, leading it just a little as she looks for an angle that will allow to her kill it in one shot without also hitting Winter.

When she's pretty sure she's not going to get a better angle, she fires. It's a clean shot through the head, but who knows whether that will actually kill something like this. Purely on muscle memory, her fingers begin to move a lever that doesn't exist on this rifle before quickly readjusting to pull back the bolt and load another cartridge.