A very large extractor

large extractor next to M1 rifle clip for scaleAttachment 83060Attachment 83059

RCS is that from just as a total guess from say a 20 ~ 40mm weapon.

105 Howitzer?

Clue: came from a US WW2 tank

Quote:

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Originally Posted by RCS

US WW2 tank

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Sherman's 75/76mm?

Correct answer, from a Sherman with 75mm