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Military

L60 40mm Gun

The 40mm Bofors Light Anti-Aircraft Gun, based on a Swedish design and built in Canada, served in a number of different theatres during the Second World War. A derivative design is mounted on the AC-130 gunship, with a shortened barrel and a bell-shaped blast deflector. A flexible hood closes the gun mechanism from the outside and allows for cabin pressurization. Starting in November 1969 gunships deployed in Vietnam had two 40mm guns in place of the two aft 20mm Vulcans which originally equiped these aircraft. By 1972 the aft 40mm was replaced by a fixed-mounted 105mm Howitzer on many aircraft.




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