What is a single action trigger?
Jordane Beer
2025-07-30 07:43:54
Count answers
: 16
Single-Action Only (SAO) triggers are found on many types of firearms. An SAO trigger requires the hammer of the firearm to be cocked before the pistol can be fired. As the SAO trigger name suggests the trigger has one, single action or movement. The user must cock the hammer by commonly using the thumb of their shooting hand to cock back and lock hammer fully rearward. The user then presses the trigger to fire the gun. In all cases, no matter the firearm type, an SAO trigger requires the hammer to be cocked before the gun can be fired. SAO triggers are found on both revolvers and semi-automatic pistols as well as lever-action and semi-automatic rifles and most shotguns. The hammer must be manually cocked each time to fire the revolver. To fire a pistol with an SAO trigger, the hammer must be fully cocked before the trigger can be pressed to fire the pistol.
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