| Type 97 20 mm Anti-tank rifle | |
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Type 97 20 mm anti-tank rifle |
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| Type | Anti-tank rifle |
| Place of origin | Empire of Japan |
| Service history | |
| Used by | Imperial Japanese Army |
| Wars | Second Sino-Japanese War, World War II |
| Production history | |
| Designed | 1937 |
| Number built | 400 |
| Specifications | |
| Weight | 59 kg |
| Length | 2.06 m |
| Barrel length | 1200 mm |
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| Caliber | 20 x 125 mm |
| Action | Gas-operated |
| Rate of fire | 12 round/min |
| Muzzle velocity | 750 m/s (2,460 ft/s) |
| Feed system | 7 round detachable box magazine |
The Type 97 Anti-tank rifle (九七式自動砲 Kyuunana-shiki jidouhō) was a Japanese anti-tank rifle used during the Second World War. It had an automatic action which gave it the high rate of fire. On the downside the recoil from the large round was very violent. The gun could be fitted with a protective shield pushing the total weight up to 68 kg (150 lb). The Ho-1 and Ho-3 automatic aircraft cannon were developed from the Type 97.
Armour penetration was 30mm at 350 metres and 20mm at 700 metres.
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