23×152mm
The 23×152mmB[1] used 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.
| 23×152mmB | ||||||||
|---|---|---|---|---|---|---|---|---|
 23×152mmB ammo (BZT and OZ) | ||||||||
| Type | Autocannon | |||||||
| Place of origin | Soviet Union | |||||||
| Service history | ||||||||
| Used by | USSR, CIS, various former Eastern bloc countries | |||||||
| Production history | ||||||||
| Designed | 1941 | |||||||
| Specifications | ||||||||
| 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) | |||||||
| Ballistic performance | ||||||||
| ||||||||
| Test barrel length: 2008mm | ||||||||
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 weapon systems use different headspace sizes, therefore requiring ammunition of slightly different dimensions.[2] 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.
Specifications
| Dimensions: | 23×152mm Belted |
| Muzzle Velocity: | 970-980 mps (from 2A7 & 2A14)
3182-3215 fps |
| 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) |
See also
- 23×115mm, used mainly in aircraft weapons such as bomber defense guns and fighter aircraft
References
- Guardia, Mike (2015-05-20). Self-Propelled Anti-Aircraft Guns of the Soviet Union. ISBN 9781472806246.
- Koll, Christian (2009). Soviet Cannon - A Comprehensive Study of Soviet Arms and Ammunition in Calibres 12.7mm to 57mm. Austria: Koll. p. 181 and 195. ISBN 978-3-200-01445-9.
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