unknown person brown shotgun

A friend and me were testing out his new flintlock. I was hoping to get a better shot of the smoke and sparks coming out of the pan filled with powder, but I had trouble focusing on something that wasn't there (smoke) until ignition point. I had it on auto focus because every stage happens extremely fast when firing a flintlock. In my mind there are two stages to a flintlock and the first stage of smoke comes from the pan and the second stage of smoke comes from the end of the flintlock. I got lucky and captured this shot between stages by pressing the camera button repeatedly.