20x138mmB

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The 20x138mmB 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.

Contents 1 History 2 Users 2.1 Switzerland 2.2 Germany 2.3 Italy 2.4 Finland

[edit] History

The 20x138mmB cartridge was initially created by the Swiss Solothurn company in the early 1930s.

[edit] Users

The 20x138mmB cartridge was used in the following weapons:

[edit] Switzerland

• Solothurn anti-tank rifles: S-18/1000 and S-18/1100

[edit] Germany

• FlaK 30 and FlaK 38 anti-arcraft guns
• KwK 30 and KwK 38 vehicle-mounted weapons
• MG C/30L aircraft gun

[edit] Italy

• anti-aircraft guns: Cannone-Mitragliera da 20/65 modello 35 (Breda) and Cannone-Mitragliera da 20/77 (Scotti)

[edit] Finland

• Lahti L-39 anti-tank rifle
• Lahti L-40 anti-aircraft gun