We are Sia-mee-uz if you plee-uz...

by Catoosa, Friday, January 30, 2015, 09:37 (3525 days ago) @ Hoot

Slightly OT but semi-related - does anyone know what the four-interlocked-circle marking on the left side of the receiver means? My mid-1930s vintage 6.5 Arisaka has the same marking, and I have wondered about it ever since I've had the rifle.

Someone once told me it denoted the type of rifling in the bore, but I'm not sure I believe that. Seems like any such marking would be on the barrel rather than the receiver.


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