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Old May 27th, 2015, 19:29   #12
Skeletor
 
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Join Date: Jun 2003
Location: Guelph, Ontario
It's an old gun. As far as I know that probably shouldn't be there. There is nothing on the outside spot that corresponds to that inner mark (no dimple, no depression, etc). Perhaps it was a manufacturing problem? I don't know if Shoei stamps or mills these receivers, but maybe whatever process they used left this accidental bump in there?
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