I have been reading about AD and the stories behind them. But I am still new enough to pistols that I dont really know when a AD is most probable. Is it when you have the slide come forward on a round thats getting chambered? Is it when if a pistol gets dropped? Is it when people reholster their weapon? Im sorry if this is a confusing question. But I just want to know when ADs happen the most frequently... I practice with snapcaps more often than I should and have no problems chambering them but when I go to chamber a real round, I am always thinking to myself, "will this go bang when I chamber it?" so I always let the slide go forward slowly on a real round.