Semi-automatic pistol
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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
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
Machine pistol
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A machine pistol is a handgun that is capable of fully automatic fire, including stockless handgun-style submachine guns.
Semi-automatic pistol
…the trigger mechanism from the firing pin/striker until the trigger has been released and reset manually, unlike the self-cycled firing mechanism in fully automatic pistols. A semi-automatic pistol recycles part of the energy released by the propellant combustion to move its bolt, which is usually housed inside the slide…
Soviet Stechkin APS and suppressed APB select-fire machine pistols, introduced into Soviet service in 1951
Steyr "Repetierpistole M1912/P16", one of the world's first machine pistols
Stechkin APS machine pistol
Czechoslovak Škorpion vz. 61