War Memorials of Wisconsin

40mm/56 caliber anti-aircraft gun

The 40mm/56 caliber gun in United States naval gun terminology indicates the gun fired a projectile 40mm in diameter, and the barrel was 56 calibers long. The U.S. Navy extensively used this anti-aircraft gun which was an Americanized mass-production version of the Swedish Bofors design.

There is 1 known 40mm/56 caliber anti-aircraft gun on display in Wisconsin.  It is at the following location:

City Located Photo(s) Gun info Mount info Location GPS Map(s)
Kansasville, WI twin 40mm Mk I twin shipboard mount Veterans Memorial Wayside Park
Durand Ave (Hwy 11) between Sunnyside Dr & Vandenboom Rd
N 42 41.304'
W 88 08.422'


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