german 57 mm casing unknown A7V ??

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have this casing since years in my display but no idea for what gun it is .
caliber 57 mm casing lenght 250 mm weight 743 gramms
bottom is marked PATRONENFABRIK KARLSRUHE
no date or inspektor marks
A7V TANK

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R

[klarkon]

This is cartridge case for 57mm L/25,6 Gruson gun
A7V tank gun had 57x224R case.

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i take new pics of different casings all imperial at right the casing

cal 57 250 mm lenght botom marked PATRONENFABRIK KARLSRUHE

in the midle cal 57 224 mm lenght botom marked 5 POLTE MAI 1916
MAGDEBURG SP252

left with shell cal 52 176 mm lenght botom marked AWS 21 FEBR 1893
as you said the first is gruson gun ok ?
the middle is AV7 tank
and left cal 32 WITH SHELL ??

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p

[klarkon]

53 x 176R GRUSON

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wow thats fast
i have in my shells one 57mm that i have receive with imperial stuff
is it possible that shell is for A7V ?

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G

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LENGHT OF SHELL 216 mm
WEIGHT 2365 gramms

[klarkon]

Unfortunately this shell is from QF 6 pounder Nordenfelt 57x307R ammunition.
http://www.cerberus.com.au/nord_hotchkiss_6_shell.jpg

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also not imperial british made
do you have picture of german A7V shell ?

[klarkon]

A7V tank gun was german prey from Belgian army............



Belgian casing bottom, EP =École Pyrotechnique, Antwerpen

[kilsdonk1985]

Hello,

By the dimensions of your case its probably a German export case for the Dutch 6 veld kanon.