Bofors 40 mm anti-aircraft autocannon

It made by Sweden.

Type     Autocannon
Place of origin     Sweden
Service history
In service     1934–present
Used by     See users
Wars     World War II, Indo-Pakistani wars and conflicts, Arab-Israeli conflict, Korean War, Indonesia-Malaysia confrontation, Vietnam War, South African Border War, Falklands War, Gulf War, Yugoslav wars, Iraq War, Lebanese Civil War
Production history
Designer     Bofors Defence
Designed     1930
Manufacturer     Bofors Defence (1932–2000)
United Defense Industries (2000–2006)
BAE Systems AB (2006 onwards)
Produced     1932–present
Variants     See variants
Specifications
Weight     L/60: 1,981 kg (4,370 lb)

L/70: 5,150 kg (11,400 lb)
Crew     dependent on use
Shell     Complete round: -
L/60 40×311mmR (1.57 in), L/70 40×364mmR
Caliber     40 mm L/60–70 (actual length varies from 56–70 calibers, based on model)
Carriage     522 kg (1,150 lb)
Elevation     L/60: -5°/+90° (55°/s)
L/70: -20°/+80° (57°/s)
Traverse     Full 360°
L/60: 50°/s
L/70: 92°/s
Rate of fire     L/60: 120 round/min
L/70: 330 round/min
Muzzle velocity     L/60: 881 m/s (2,890 ft/s)
L/70: 1,021 m/s (3,350 ft/s)
Maximum range     L/60: 7,160 m (23,490 ft)
L/70: 12,500 m (41,000 ft)