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Thompson submachine gun trigger. A trigger is a mechanism that actuates the function of a ranged weapon such as a firearm, airgun, crossbow, or speargun. The word may also be used to describe a switch that initiates the operation of other non-shooting devices such as a trap, a power tool, or a quick release. A small amount of energy applied to ...
A forced reset trigger (or "hard reset" trigger) is a device that allows a person to fire a semi-automatic firearm at an increased rate. The forced reset trigger works by mechanically resetting the trigger's position after a shot is fired. This allows for an increased rate of fire.
A trigger disconnector captures the hammer in the cocked position after a shot has been fired, even if the trigger is held to the rear as the gun cycles. This ensures the gun can only fire in the semi-automatic mode, as the trigger needs to be released to 'reset' and have the disconnector release the hammer back to the trigger sear.
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.
[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 ...
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.
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To reduce lock time, electronic trigger systems can sometimes be fitted instead of mechanical trigger systems. Electronic trigger systems are mostly found in high-end match arms and can reduce action time by about 90% or one order of magnitude. [10] At very low lock times the dwell time of the bullet or pellet becomes the most influential element.