- (of a firearm) requiring only one pull of the trigger to cock and fire it.
Origin of double-action
Examples from the Web for double-action
Historical Examples of double-action
A double-action force-pump is seen in Fig. 177, making an upward stroke.How it Works
I do not like a double-action revolver, except for a pocket one, as it cannot do accurate shooting when cocking with the trigger.Automatic Pistol Shooting
One double-action folding machine will fold fifty sheets in a minute.The Pictorial Press
Even in rapid-fire shooting better results are obtained with a double-action arm if used as a single action.
It is also more difficult to make the trigger pull smooth and short in double-action mechanisms.