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| Solothurn 20 mm Tb S-18/1000 | |
|---|---|
| Type | Anti-tank rifle, Anti-materiel rifle |
| Place of origin | Switzerland |
| Service history | |
| Used by | See users |
| Wars | World War II |
| Production history | |
| Variants | Solothurn S-18/100, Solothurn S-18/1100 |
| Specifications | |
| Mass | 53.5 kg (118 lbs) (empty) |
| Length | 2,200 mm (85 in) |
| Barrel length | 1,400 mm (57 in) |
| Cartridge | 20×138mmB (Solothurn Long) |
| Caliber | 20 mm |
| Action | semi-automatic |
| Muzzle velocity | 850 m/s |
| Feed system | 10 rounds |
The Solothurn S18-1000 20 mm was a Swiss anti-tank rifle used during the Second World War. It was a variant of the earlier S-18/100 with modifications for a higher muzzle velocity, as well as a larger cartridge size. The more powerful ammunition resulted in significant recoil, which was problematic for the gunner, and its size made portability difficult.