The 20×138mmB cartridge was a type of ammunition used mainly for anti-aircraft and anti-tank weapons during World War II. The designation means the caliber was 20 mm, the length of the cartridge case was 138 mm and B indicates it was a belted case. The cartridge was also known as the Long Solothurn cartridge.
History[]
The 20×138mmB cartridge was initially created by the Swiss Solothurn company in the early 1930s.
Users[]
The 20×138mmB cartridge was used in the following weapons:
Switzerland[]
- Solothurn anti-tank rifles: S-18/1000 and S-18/1100
Germany[]
- FlaK 30 and FlaK 38 anti-aircraft guns
- KwK 30 and KwK 38 vehicle-mounted weapons
- MG C/30L aircraft gun
Italy[]
- Anti-aircraft guns: Cannone-Mitragliera da 20/65 modello 35 (Breda) and Cannone-Mitragliera da 20/77 (Scotti)
Finland[]
- Lahti L-39 anti-tank rifle
- Lahti L-40 anti-aircraft gun
Poland[]
- Nkm wz.38 FK anti-tank vehicle mounted gun