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In guns, particularly firearms, but not artillery, where a different definition may apply [citation needed], caliber (or calibre; sometimes abbreviated as "cal") is the specified nominal internal diameter of the gun barrel bore – regardless of how or where the bore is measured and whether the finished bore matches that specification. [1]
In artillery, caliber or calibre [nb 1] is the internal diameter of a gun barrel, or, by extension, a relative measure of the barrel length. Rifled barrels [ edit ]
The gauge (in American English or more commonly referred to as bore in British English) of a firearm is a unit of measurement used to express the inner diameter (bore diameter) and other necessary parameter to define in general a smoothbore barrel (in difference of caliber what define a barrel with rifling and there cartridge).
The Hi-Point carbine is a series of pistol-caliber carbines manufactured by Hi-Point Firearms chambered for 9×19mm Parabellum, .40 S&W, 10mm Auto, .45 ACP and .380 ACP.They are very inexpensive, constructed using polymers and alloyed metals as much as possible, resulting in a reduction of production costs and sale price.
Demand from Germany for a larger caliber in their military sidearm led Luger to develop the 9×19mm Parabellum cartridge for the eventual P08 pistol. This was achieved by removing the bottleneck shape of the 7.65×21mm Parabellum case, resulting in a tapered rimless cartridge encasing a bullet that was 9 millimeters in diameter.
The large-caliber guns were designed to fire either an armor-piercing round for anti-ship and anti-structure work, and a high-explosive round for use against unarmored targets and shore bombardment. The North Carolina and South Dakota classes could also fire the 2,700-pound Mark 8 shell with the 16"/45 caliber Mark 6 gun, although with a ...
On Thursday, both Houston and Milwaukee had police officers targeted by gunfire, and more and more the weapons used in these shootings have been modified to hold more bullets or shoot more quickly.
The 155 mm (6.1 in) caliber originated in France after the Franco-Prussian War (1870–1871). A French artillery committee met on 2 February 1874 to discuss new models for French fortress and siege artillery, among which there was a weapon in the 14–16 cm (5.5–6.3 in) caliber range (later it became known as the De Bange 155 mm cannon ...