The firing pins I found with the same mark are also in the black.
Reminds me of the "parkerisering" (form of bluing method, the English word has popped out of my mind) found on our military (A)G3 rifles. The norwegian army's G3 rifles are produced in Kongsberg, with the exception of some stamped metal parts such as grip casing and the metal on stock..
Perhaps these firing pins has gone trough some sort of control on behalf of the military. To be stamped and 'blued' in the Kongsberg factory. ..just as a proof of liability? ..without being made there?
Balder; did Kongsberg see the mark and confirmed that it was a 'Kongsberg mark'?
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Previously known as Morgan Kane
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