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Charging handle being pulled on an M2 machine gun. The cocking handle, also known as charging handle or bolt handle, is a device on a firearm which, when manipulated, results in the bolt being pulled to the rear, putting the hammer/striker into a spring-loaded ("cocked") "ready and set" position, allowing the operator to open the breech and eject any spent/unwanted cartridge/shell from the ...
The bolt release or lever release action [15] is a hybrid repeating action that uses the physical manipulation of a bolt release lever/button to complete the cartridge chambering process.
On firearms where the cocking handle is permanently connected to the bolt/bolt carrier, a forward assist device is not necessary as the bolt can be assisted forwards by simply pushing or tapping the cocking handle forwards. [1] [5] The forward assist is generally not necessary as a standard procedure on any firearm. An exception is the British ...
A telescoping bolt is a bolt that wraps around the breech end of the barrel. This bolt design is often used to reduce overall weapon length without sacrificing barrel length or bolt weight. A turn bolt refers to a firearm component where the whole bolt without using a bolt carrier turns to lock and unlock.
The rear section of the cylinder contains the bolt, the middle section, the vented (16–20 ports) barrel and expansion chamber for the barrel and the front section, the baffles and (rubber) wipes of the silencer. There is a knurled knob at the rear that serves as the bolt handle, which unlocks when rotated 90 degrees. The magazine doubles as ...
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.
This situation is encountered on some single-shot rifles, single-shot pistols (such as the break-action Thompson/Center Contender), and on some break-action single- and double-barrel shotguns. In bolt-action, lever-action, pump-action, semi-automatic, and fully automatic firearms, the extractor typically works in conjunction with a separate ...
Bolt action: A type of firearm action in which the firearm's bolt is operated manually by the opening and closing of the breech with a small handle. As the handle is operated, the bolt is unlocked, the breech is opened, the spent shell casing is withdrawn and ejected, the firing pin is cocked, and a new round/shell (if available) is placed into ...