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23×152mmB ammo (BZT and OZ)
|Place of origin||Soviet Union|
|Used by||USSR, CIS, various former Eastern bloc countries|
|Case type||Belted, bottlenecked|
|Bullet diameter||23 mm (0.91 in)|
|Neck diameter||23.7 mm (0.93 in)|
|Shoulder diameter||31.3 mm (1.23 in)|
|Base diameter||33.2 mm (1.31 in)|
|Rim diameter||34.6 mm (1.36 in)|
|Rim thickness||33.4 mm (1.31 in)|
|Case length||151 mm (5.9 in)|
|Overall length||235.6 mm (9.28 in)|
|Test barrel length: 2008mm|
The 23×152mmBused by the USSR/CIS in the VYa-23 aircraft autocannon the Ilyushin Il-2 ground attack aircraft and in the 2A7 and 2A14 autocannons on the ZU-23-2 anti-aircraft gun series and ZSU-23-4 "Shilka", among others.
Note that the ammunition for the VYa-23 uses a brass case and is not functionally interchangeable with the steel-cased ammunition of the modern ZU-23 anti-aircraft gun series. These two weapons use different headspace sizes, therefore requiring ammunition of slightly different dimensions.While it is no longer in use in the main anti-aircraft weapons of modern Russia, being replaced by the 30×165mm, it is still in service with the Russian Naval Infantry and many other countries.
|Muzzle Velocity:||970-980 m/s (from 2A7 & 2A14) |
|Bullet Weight:||184–190 grams|
|Bullet Types:||OZ/OFZ (HEI), OZT/OFZT (HEI-T), BZ/BZT (API/API-T)|
|Weapon Systems:||Volkov-Yartsev VYa-23, 2A7, 2A10, 2A14.|
|Applications:||ZU-23, ZSU-23-4 "Shilka", BMP-23, BTR-94, others.|
|Energy:||~88916.64 J (estimated) ~65581.54 ft lbs (estimated)|
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