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Firearms use triggers to initiate the firing of a cartridge seated within the gun barrel chamber.This is accomplished by actuating a striking device through a combination of mainspring (which stores elastic energy), a trap mechanism that can hold the spring under tension, an intermediate mechanism to transmit the kinetic energy from the spring releasing, and a firing pin to eventually strike ...
A variation is the trigger disconnect which prevents the gun from firing until the gun has not only been fully and completely cycled, but the trigger is released and squeezed again. This defines the behavior of semi-automatic firearms which require a separate trigger pull to fire each successive cartridge and ready the next, and this is the ...
Trigger locks also attach directly to the gun and prevent it from being fired by blocking the trigger. They are meant to be used on unloaded weapons, but the lock does not prevent the firearm from ...
A common critique of trigger locks is the time taken to unlock them, limiting their usefulness in a self-defense scenario. One proposed solution to this is the use of biometric locks which can be removed by the owner near-instantaneously. [28] [29] There is controversy surrounding manufacturing standards, usage, and legislation of trigger locks.
[3] [4] [5] More specifically, it refers to the mechanism or lock of such firearms. It may also refer to a gun's lock which uses slow match to ignite the powder charge. [6] [7] The matchlock was a lever mechanism that simplified the ergonomics of firing. Slow match would be held clear of the flash pan in a spring-loaded pivoting arm (the ...
Starting Monday, residents can pick up a gun trigger lock at any Des Moines Public Library location for free.
Sear shown in a revolver action. In a firearm, the sear is the part of the trigger mechanism that holds the hammer, striker, or bolt back until the correct amount of pressure has been applied to the trigger, at which point the hammer, striker, or bolt is released to discharge the weapon.
Hammer bite: The action of an external hammer pinching or poking the web of the operator's shooting hand between the thumb and fore-finger when the gun is fired. Some handguns prone to this are the M1911 pistol and the Browning Hi-Power. [20] Hang fire: An unexpected delay between the triggering of a firearm and the ignition of the propellant.