Bofors 37 mm anti-tank gun
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The Bofors 37 mm anti-tank gun was an anti-tank gun designed by Swedish manufacturer Bofors in the early 1930s originally for Swedish use. It was exported to several countries during the 1930s of which several bought licences to produce it... Wikipedia
Caliber: 37 mm (1.45 in)
Effective firing range: 4,000 m (4,374 yds)
Length: 3.04 m (10.0 ft)
Muzzle velocity: 800–870 m/s; (2,625-2,854 ft/s)
Rate of fire: 12 rounds per minute
Shell: Fixed QF 37×258 mm R
Width: 1.09 m (3 ft 7 in)