40mm Bofors cartridge case (with part replica shell)

cartridge case, shellThis is a fired 40mm Bofors cartridge case that was made in 1939. It is 31cm long (case only), with an internal diameter of 4cm, and is displayed with a non-original shell.

40mm shell hi-res stock photography and images - Alamy

WW2 German Kriegsmarine – 40mm Bofors FlaK 28 – BRASS PLATED SHELL CASING – RARE!

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Lot 308 - Clip of four inert 40mm Bofors rounds

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Original U.S. WWII Bofors 40mm Gun Shells with Clip – International Military Antiques

40mm Bofors cartridge case (with part replica shell)

Why are high-caliber rifle cartridge cases shaped like a bottle? - Quora