Type 4 20 mm twin AA machine cannon

Type 4 20mm Twin AA machine cannon
Type Autocannon
Place of origin Empire of Japan
Service history
In service 1944–1945[1]
Used by Japan
Wars World War II
Production history
No. built 500[1]
Specifications
Barrel length 1.4 m (4 ft 7 in) L/70[2]
Shell 20×142 mm[2]
Caliber 20 mm (0.79 in)[2]
Action Gas operated
Rate of fire 600 rounds/min (maximum)
Muzzle velocity 950 m/s[2]
Maximum firing range 5,500 m (18,000 ft) (horizontal)
3,500 m (11,500 ft) (altitude)[2]
Feed system 2x 20 round box

Type 4 20 mm twin AA machine cannon was a Imperial Japanese Army anti-aircraft gun. It consisted of two Type 98 20 mm AA machine cannon. It was introduced in 1944 and approximately 500 guns were produced.[1][2]

The Type 98 20 mm AA machine cannon was the most common light anti-aircraft gun of the Japanese military and the IJA used it until the end of World War II.[2][3]

References

Notes

  1. 1 2 3 Taki's Imperial Japanese Army: Type 4 20 mm twin AA Machine Cannon
  2. 1 2 3 4 5 6 7 Taki's Imperial Japanese Army: Type 98 20mm AA Machine Cannon
  3. ↑ War Department TM-E-30-480 Handbook on Japanese Military Forces September 1944 p. 400.

Sources

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