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Česká zbrojovka a.s. (CZ, lit. ' Czech armory '), is a Czech armament manufacturer that is based in Uherský Brod. The company is famous for producing service, hunting and sporting firearms. It is owned by the Czech holding company Colt CZ Group SE, which also owns other brands with related production programs. CZ currently has around 1,800 ...
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 ...
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.
First introduced in 2010, the CZ 455 was designed to replace the CZ 452 series which is being phased out of current production. [2] The CZ 452 first appeared in 1954 as the Model 2 (ZKM 452), and was a refinement of the CZ Model 1 (ZKM-451) .22-calibre rimfire bolt-action training rifle that first appeared in 1947.
The CZ 453 is essentially the same as the CZ 452; however, it is equipped with a fully adjustable single-set trigger. Some components, such as a different trigger housing and unique action screws, differ from the CZ 452 to accommodate the single set trigger, and thus the CZ 453 trigger cannot be retrofit into a CZ 452.
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.
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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.