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A bullet button is a device used to remove a magazine in a semi-automatic rifle, replacing the magazine release with a block which forces the user to remove the magazine by using a tool rather than the magazine release button. This allows the rifle to comply with parts of California's firearms laws. The name came about in relation to a 1999 ...
Battle rifle: A service rifle capable of semi-automatic or fully automatic fire of a full-power rifle cartridge. Bayonet lug: An attachment point at the muzzle end of a long gun for a bayonet. Belt: An ammunition belt is a device used to retain and feed cartridges into some machine guns in place of a magazine.
The .380 ACP ( Automatic Colt Pistol, also known as .380 Auto, .380 Automatic, or 9×17mm ), is a rimless, straight-walled pistol cartridge that was developed by firearms designer John Moses Browning. The cartridge headspaces on the mouth of the case. [ 5] It was introduced in 1908 by Colt, for use in its new Colt Model 1903 Pocket Hammerless ...
A radio button or option button [citation needed] is a graphical control element that allows the user to choose only one of a predefined set of mutually exclusive options. [1] The singular property of a radio button makes it distinct from checkboxes , where the user can select and unselect any number of items.
t. e. Forensic firearm examination is the forensic process of examining the characteristics of firearms or bullets left behind at a crime scene. Specialists in this field try to link bullets to weapons and weapons to individuals. They can raise and record obliterated serial numbers in an attempt to find the registered owner of a weapon and look ...
The lower receiver, without the receiver extension, rear takedown pin, and buttstock, is shown at bottom. An AR-15–style rifle is a lightweight semi-automatic rifle based on or similar to the Colt AR-15 design. The Colt model removed the selective fire feature of its predecessor, the original ArmaLite AR-15, itself a scaled-down derivative of ...
2. Cartridge case, which holds all parts together; 3. Propellant, for example, gunpowder or cordite; 4. Rim, which provides the extractor on the firearm a place to grip the casing to remove it from the chamber once fired; 5. Primer, which ignites the propellant. A cartridge, [ 1][ 2] also known as a round, is a type of pre-assembled firearm ...
Ballistic coefficient. A selection of bullets with different shapes, and hence, different ballistic coefficients. In ballistics, the ballistic coefficient ( BC, Cb) of a body is a measure of its ability to overcome air resistance in flight. [ 1] It is inversely proportional to the negative acceleration: a high number indicates a low negative ...