Gauge (bore diameter)
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Details
The gauge of a firearm is a unit of measurement used to express the diameter of the barrel. Gauge is determined from the weight of a solid sphere of lead that will fit the bore of the firearm, and is expressed as the multiplicative inverse of the sphere's weight as a fraction of a pound (e.g. a 1/12th pound ball fits a 12-gauge bore). The term is related to the measurement of cannon, which were also measured by the weight of their iron round shot; an 8 pounder would fire an 8 pound (3.6 kg) spherical cast iron ball and had a bore diameter of about 91 mm (3.6 inches). Commonly used today in reference to shotguns, though historically it was also used in large double rifles, which were made in sizes up to 4 bore during their heyday in the 1880s, being originally loaded with black powder cartridges. These very large rifles, sometimes called elephant guns, were intended for use in India and Africa for hunting dangerous game.
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GarantieWeitere Informationen
- Allgemeine Informationen
- GTIN 09786130658915
- Editor Frederic P. Miller, Agnes F. Vandome, John McBrewster
- Sprache Englisch
- Größe H220mm x B150mm x T9mm
- Jahr 2010
- EAN 9786130658915
- Format Fachbuch
- ISBN 978-613-0-65891-5
- Titel Gauge (bore diameter)
- Untertitel Units of measurement, Diameter, Gun barrel, Sphere, Lead, Multiplicative inverse, Pound (mass), Cannon, Iron, Round shot, Demi- culverin
- Gewicht 237g
- Herausgeber Alphascript Publishing
- Anzahl Seiten 148
- Genre Mathematik
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