The Definition of Closed Bolt Firing System
Closed Bolt Firing System
A type of firearm in which the action is closed, with a cartridge in the chamber prior to firing. When the trigger is pressed the cartridge is fired,
and the action cycles loading another cartridge into chamber and when firing is stopped the bolt remains closed and the chamber remains loaded.
19 Other Firearms Definitions You Need To Know
A strong spring which activates the striker or hammer of a firearm.
A process that increases the diameter of a workpiece by compressing its length.
The beginning of the bore of a rifled firearm. The transition between the chamber and the rifling. The area most vulnerable to erosion from high velocity cartridges.
A line, either imaginary or marked, from which people shoot their firearms down range.
A firearm manufactured by someone who is not a regular maker of firearms.
One of the three major dismountable components of a break-open gun (the others being the barrel(s) and the action/buttstock)
which secures the barrels to the receiver, often houses the ejector mechanism, and for some, provides a handle for the one's secondary hand.
This is the maximum overall length the cartridge can be (and is expected to be) in order to function properly in magazines and the mag well of a bolt action rifle.
A three-barrel gun.
Typically it has two shotgun barrels side by side on the top, with a third rifle barrel underneath.
This provides a very versatile firearm capable of taking winged animals as well as big game.
It also is useful in jurisdictions where a person is only allowed to own a single firearm.
A barrel without rifling. Smooth bore barrels are commonly used in shotguns and in large bore artillery that fire fin stabilized projectiles.
Yanking the trigger back abruptly, thus pulling the muzzle of the gun downward at the moment the shot fires.
To pull the trigger and release the hammer of a firearm without having a cartridge in the chamber.
A shotgun barrel that has a bore diameter increased beyond standard specifications, but less than the SAAMI maximum.
Done in an attempt to reduce felt recoil, improve patterning, or change the balance of the shotgun.
A phenomenon which is often grouped with hammer bite. In this case the web of the shooting hand is cut or abraded by
the rearward motion of the semi-automatic pistol's slide, not by the gun's hammer.
This most often occurs with small pistols like the Walther PPK and Walther TPH that have an abbreviated grip tang.
This problem is exacerbated by the sharp machining found on many firearms.
An action type that when the trigger of a gun is pulled, the gun gets cocked and the hammer (or striker) is dropped.
This applies to both revolvers and semi-automatic guns.
On a double action revolver, when the trigger is pulled, the hammer is cocked before releasing.
With a double-action semi-automatic pistol, the hammer does not have to be manually cocked (via actually pulling back the trigger or tracking the slide), the hammer (or striker) will be cocked while the trigger is being pulled.
A firearm that only the hammer drops when the trigger is pulled is a single action gun.
A type of aperture rear sight with a large opening and a thin rim that seems to fade out when the shooter looks through it.
Sometimes installed on rifles and shotguns intended for home defense or police use.
A long strip of leather, plastic, or nylon which is fastened at the fore and rear of the gun for the easy carry of long guns.
The manner in which the sights are lined up properly in front of the shooter's eye, to form a straight path to the target.
A laser sight is an alternative sighting device which enables the shooter to quickly and accurately see where the firearm is aimed even
when lighting or other conditions prevent using the gun's normal sights. Lasers may be located within the grips,
hung from accessory rails at the front end of the gun, or placed within the firearm.
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