Depending on the blank gun and windage - you can
ccasionally get smoke discharge in your eye/face and that may
cause extra flinching after so many takes. Often it's the anticipation
of the BANG for the uninitiated ..... but the
camera crew should easily notice this and do the
necessary altercations/retakes to get it right. It's a nitpicky
nitpick .... but we have carte blanche in this thread.