I have rings marked "ELKO f2" or "ELKO FZ". The marking is etched into the flats on each ring near the ring gap. Could these be aftermarket rings? Anyone know if the markings can be linked to a brand name?
I have rings marked "ELKO f2" or "ELKO FZ". The marking is etched into the flats on each ring near the ring gap. Could these be aftermarket rings? Anyone know if the markings can be linked to a brand name?
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