23 mm caliber is a specific size of popular
autocannon
An autocannon, automatic cannon or machine cannon is a fully automatic gun that is capable of rapid-firing large-caliber ( or more) armour-piercing, explosive or incendiary shells, as opposed to the smaller-caliber kinetic projectiles (bulle ...
ammunition.
This ammunition size has not been widely used. Examples of armaments using it are:
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23x115mm caliber, used on many Soviet and Russian airplanes
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23x122mm
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23x139mmSR
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23x152mmB caliber, used on Ilyushin Il-2 attack plane as well as on later Soviet anti-aircraft guns
23×152 Baher. an iranian
Anti-materiel rifle
An anti-materiel rifle (AMR) is a rifle designed for use against military equipment, structures, and other hardware (materiel). Anti-materiel rifles are chambered in significantly larger calibers than conventional rifles and are employed to elimi ...
See also
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12.7×99mm
The .50 Browning Machine Gun (.50 BMG, 12.7×99mm NATO and designated as the 50 Browning by the C.I.P.) is a caliber cartridge developed for the M2 Browning heavy machine gun in the late 1910s, entering official service in 1921. Under STANA ...
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12.7×108mm
The 12.7×108mm cartridge is a 12.7 mm heavy machine gun and anti-materiel rifle cartridge used by the former Soviet Union, the former Warsaw Pact countries, modern Russia, China and other countries. It was invented in 1934 to create a cartridge ...
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14.5x114
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20 mm caliber
20 mm caliber is a specific size of popular autocannon ammunition. It is typically used to distinguish smaller-caliber weapons, commonly called " guns", from larger-caliber " cannons" (e.g. machine gun vs. autocannon). All 20 mm cartridges ...
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25×137mm
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40 mm grenade
40 mm grenade (also styled 40mm grenade) is a generic class-name for grenade launcher ammunition (subsonic shells) in caliber. The generic name stems from the fact that several countries have developed or adopted grenade launchers in 40 ...
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Bofors 40 mm gun Bofors 40 mm gun is a name or designation given to two models of 40 mm calibre anti-aircraft guns designed and developed by the Swedish company Bofors:
* Bofors 40 mm L/60 gun - developed in the 1930s, widely used in World War II and into the 1990 ...
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List of cartridges (weaponry), pistol and rifle
References
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