Double action
Videos
Double action refers to one of two systems in firearms where the trigger both cocks and releases the hammer.
A M&P 1905 forth change lockwork with annotations
Semi-automatic pistol
Videos
A semi-automatic pistol is a repeating handgun that automatically ejects and loads cartridges in its chamber after every shot fired, but only one round of ammunition is fired each time the trigger is
Double action
…the hammer stays in the decocked position until the hammer is re-cocked (single action), or the trigger is pulled again (double action). With a DA semi-automatic pistol, the initial trigger pull will cock and release the hammer (double action). The blowback from the firing mechanism automatically re-cocks the hammer…
A Glock 22 semi-automatic pistol chambered in .40 S&W with a tactical light mounted below its barrel.
A Smith & Wesson CS45 double-action/single-action pistol, chambered in .45 ACP
A Mauser C96 Red 9 chambered in 9×19mm Parabellum
A Colt M1911 made in 1917, chambered in .45 ACP