Madsen 20 mm cannon

Madsen 20 mm cannon
Madsen 20 mm cannon
Type	Autocannon
Place of origin	Denmark
Service history
Used by	See Users
Wars	Spanish Civil War Second Sino-Japanese War World War II Winter War Continuation War Chinese Civil War
Specifications
Mass	55 kilograms (121 lb)
Length	2.5 m (8 ft 2 in)
Barrel length	1.2 m (3 ft 11 in) L/60[1]
Cartridge	20 x 120 mm
Cartridge weight	.29 kg (10 oz) AP .32 kg (11 oz) HE
Caliber	20 mm
Barrels	air-cooled
Action	recoil-operated
Rate of fire	400 rpm (cyclic) 250 rpm (practical)
Muzzle velocity	900 m/s (3,000 ft/s)
Effective firing range	500 m (1,600 ft)
Maximum firing range	2,123 m (6,965 ft)
Feed system	10, 15 or 60 round magazine[1]

The 20 mm AA Machine Cannon M/38 was a 20 mm rapid fire autocannon produced by the Danish company Dansk Industri Syndikat (DISA). The gun, which could be adapted to several tactical uses, was a primary weapon of the military of Denmark. It was also exported to numerous countries around the world because of its versatility. The cannon was built at the DISA works in Herlev near Copenhagen. The company supplied several different types of mountings with the weapon which allowed it to be employed in a variety roles such as aerial defences, anti-tank warfare or on naval ships.