I recently purchased some online bulk 9mm once fired cases and have come across several with the following markings on the base: WCC 11 and a plus sign in a circle. Others have WCC 07 with the plus sign, and some are WCC 10 with the circle/plus sign. Nowhere is 9mm Luger mentioned. Are these 9mm Luger. I plan to break out my caliper and check these as well but thought I'd ask here first. Thanks!
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