1823 J. F. Cooper II. xi. 157 It's as easy, Miss, to pull a rifle-trigger on a magistrate as on a painter.
1909 Sept. 440/1 I got to fingering my rifle trigger impatiently and wishing that a wild Thanksgiving gobbler might blunder into view.
2001 W. Ferguson xlix. 273 He mentally calculated the distance from Jack's whisky hand to the rifle trigger.