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S-18100

S-181000

S-181100

Solothurn S-18
Country of origin

Nazi Germany
Switzerland
Estonia (Solothurn-Arsenal)

Manufacturer(s)

Solothurn
Arsenal

Year(s) designed

1930s

Production began

1937

Production ended

1940

Weapon type

Anti-tank rifle

Caliber

20x105mmB (S-18/100, Solothurn-Arsenal)
20x138mmB (S-18/1000, S-18/1100)

Action

Semi-automatic

Overall length

69.3 inches (176 cm) (S-18/100, Solothurn-Arsenal)
85.4 inches (217 cm) (S-18/1000, S-18/1100)

Barrel length

36.6 inches (93 cm) (S-18/100, Solothurn-Arsenal)
57 inches (144.7 cm) (S-18/1000, S-18/1100)

Weight empty

88.2 pounds (40 kg) (S-18/100, Solothurn-Arsenal)
114 pounds (51.7 kg) (S-18/1000, S-18/1100)

Magazine/Cylinder capacity

10 round detachable box magazine (all)
5 round detachable box magazine (S-18/1000, S-18/1100)

Cyclic rate

Recoil-operated (all)
Recoil-operated, select-fire (S-18/1100)

Used by

Italy
Germany
Hungary
Netherlands
Finland
USA (proposed)


The Solothurn S-18 is a Swiss anti-tank rifle.

HistoryEdit

Solothurn, owned by Rheinmetall, was used by its parent company to produce weapons that were prohibited to be produced by German manufacturers at the time. Thus, the S-18 was born.

The USA proposed to use the S-18 in their army in 1940, but after comparison to a .90 cal T4 gun, they found that the Solothurn performed a little worse, and was much more complex. The plan was to produce 50 pieces and later get the actual gun produced in the US, but deals never worked out.

Design DetailsEdit

The S-18 was recoil operated and fired a 20mm cartridge. The gun had a manual extractor to help eject the casings manually. It also had a recoilling barrel.

The gun was very complex and in no ways easily portable; carrying it requires more than one man. Due to its sheer weight, it cannot be carried for long distances. The cartridge also made recoil tremendous.

VariantsEdit

S-18/100

This is the smaller rifle, firing a 20x105mmB cartridge. Despite being the smallest, it was still rather heavy and needed to be lugged around.

S-18/1000

This is the bigger rifle, firing a longer cartridge. It can be identified from a S-18/100 by a crank on the right hand side of the rifle. As with the S-18/100, it is in no ways easily portable.

S-18/1100

This is basically an S-18/1000 with the capability for full auto fire.

Solothurn-Arsenal

This is an unlicensed copy of the Solothurn produced in Estonia.

ReferencesEdit

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