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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]
Caliber/calibre: In small arms, the internal diameter of a firearm's barrel or a cartridge's bullet, usually expressed in millimeters or hundredths of an inch; in measuring rifled barrels this may be measured across the lands (.303 British) or grooves (.308 Winchester) or; a specific cartridge for which a firearm is chambered, such as .45 ACP or .357 Magnum.
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 ]
This semi-automatic pistol design allows the interchangeable barrels/receiver either 9mm Kurz or 7.65mm which probably creates some confusion as to caliber, some references state .32 ACP (7.65mm). Letter from the Museum in Vienna states emphatically that the caliber of the assassination weapon was 9mm Kurz. 1918 Lisbon, Portugal: President ...
A large-caliber gun is also called a cannon. Guns were designed as weapons for military use, and then found use in hunting. Now, there are guns, e.g., toy guns, water guns, paintball guns, etc., for many purposes.
A shell is a form of ammunition that is fired by a large caliber cannon or artillery piece. Before the mid-19th century, these shells were usually made of solid materials and relied on kinetic energy to have an effect. However, since that time, they are more often filled with high explosives (see artillery).
The bullet flew for 9.4 seconds and hit the upper-left corner of a six-foot square (36 square feet) steel target. The rifle used was a GA Precision Custom, with a Nightforce ATACR 7-35×56 scope, on a bipod. Ammunition was Hornady .338-caliber 300-grain A-Tip. [16]
A certain amount of windage (in this case meaning that the bore is designed slightly wider than the cannonball) allows the ball to fit down the bore, though the greater the windage the less efficient the propulsion of the ball when the gunpowder is ignited. To fire the cannon, the fuse located in the vent is lit, quickly burning down to the ...