(of a gun) having a hammer that is raised by the trigger, not by hand.
（枪）自动击发的
Example sentencesExamples
The gun is self-cocking, with an easy trigger pull for every shot after the first until you hit the decocking lever.
From 1836 until the advent of the 1911 Government Model, which was simply the packing of the .45 Colt into a modern self-cocking pistol, the single-action was king.