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The term arquebus is derived from the Dutch word haakbus ("hook gun"). [9] which was applied to an assortment of firearms from the 15th to 17th centuries. It originally referred to "a hand-gun with a hook-like projection or lug on its under surface, useful for steadying it against battlements or other objects when firing". [1]
A disappearing gun, a gun mounted on a disappearing carriage, is an obsolete type of artillery which enabled a gun to hide from direct fire and observation. The overwhelming majority of carriage designs enabled the gun to rotate backwards and down behind a parapet, or into a pit protected by a wall, after it was fired; a small number were ...
Most modern extractors are forceful enough to completely eject the casing from the gun (i.e. integrating the function of an ejector), but some require the user to manually remove spent cartridges. In this situation, the extractor loosens and moves the case out of the chamber just far enough to allow the user to grab and pull out the casing, but ...
The wheellock works by spinning a spring-loaded steel wheel against a piece of pyrite to generate intense sparks, which ignite gunpowder in a pan, which flashes through a small touchhole to ignite the main charge in the firearm's barrel. The pyrite is clamped in vise jaws on a spring-loaded arm (or 'dog'), which rests on the pan cover. When the ...
Ancient Japanese iron kaginawa climbing hook A chain grapnel – used to recover a cable from the seabed. A grappling hook or grapnel is a device that typically has multiple hooks (known as claws or flukes) attached to a rope or cable; it is thrown, dropped, sunk, projected, or fastened directly by hand to where at least one hook may catch and hold on to objects.
The tongue of each coupler head enters the throat of the opposite coupler head, where the hook on the tongue turns a vertically mounted, spring-loaded coupling pin against the force of the spring. Once the hook passes the coupling pin, the spring force returns the coupling pin to its original position, holding the hook head in the coupling.
Compact version of the HK33K. Has a short 211 mm (8.3 in) barrel, a forearm derived from the MP5 submachine gun and a telescopic shoulder stock or receiver endplate cover (later models also received a four-prong flash hider). HK13 Light machine gun. It is fed from either box or drum magazines (the latter has a 100-round capacity), has a quick ...
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 serpentine). Depressing the firing lever would dip the burning match into the flash pan.