20×138mmB
Sign in to saveThe 20×138mmB or Long Solothurn cartridge is a type of ammunition used mainly for anti-aircraft and anti-tank weapons during World War II. The designation means the caliber is 20 mm, the length of the cartridge case is 138 mm and B indicates it is a belted case. The loaded cartridge weighs .
Key facts
- Firearm cartridge.base
- 26.86
- Firearm cartridge.name
- 20×138mmB
- Firearm cartridge.image
- File:20x138mm.jpg
- Firearm cartridge.image_size
- 320 px
- Firearm cartridge.caption
- 20×138B cartridge and a tape measure in centimeters
- Firearm cartridge.type
- Anti-armor/anti-air
- Firearm cartridge.used_by
- Switzerland, Germany, Italy, Finland, Poland
- Firearm cartridge.wars
- World War II
- Firearm cartridge.design_date
- 1930
- Firearm cartridge.manufacturer
- Swiss Solothurn
- Firearm cartridge.variants
- Long Solothurn
- Firearm cartridge.is_SI_specs
- yes
- Firearm cartridge.case_type
- Bottleneck, belted
- Firearm cartridge.bullet
- 20 mm
- Firearm cartridge.neck
- 20.9
- Firearm cartridge.shoulder
- 25.5
- Firearm cartridge.rim_dia
- 28.48
- Firearm cartridge.rim_thick
- 26.86
via Wikipedia infobox
Key dates
- Inception
- 1930
via Wikidata · CC0
Article
8 sectionsContents
- History
- Weapon platforms
- Switzerland
- Germany
- Italy
- Finland
- Poland
- References
The 20×138mmB or Long Solothurn cartridge is a type of ammunition used mainly for anti-aircraft and anti-tank weapons during World War II. The designation means the caliber is 20 mm, the length of the cartridge case is 138 mm and B indicates it is a belted case. The loaded cartridge weighs .
== History == thumb|Three Finnish and Italian 20×138B cartridges next to a 37mm anti-tank shell The 20×138mmB cartridge was developed by the Waffenfabrik Solothurn, a Swiss front company of Rheinmetall in the early 1930s from a less powerful cartridge 20×105mmB cartridge.