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Unread 07-05-2024, 09:48 AM   #23
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Daryl Hallquist
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With this circa 1900 Greener, maybe the 12 over C in a diamond actually means a chamber length over 2 1/2". We see that mark in guns with 3 1/4" chambers prior to 1925. This 12 over C mark is for 2 3/4" chambers prior to 1925.
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