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Old 03-08-2020, 08:27 PM
jimthompson502002 jimthompson502002 is offline
Join Date: Nov 2009
Location: La Crosse, Wisconsin
Posts: 2,854

FMB was a headstamp used, in different forms, by several Spanish and Portuguese speaking nations. Usually, the "FM" is for the local version of millitary manufacutre ("fabricas militares", for example) and the location of the loading arsenal.

However, it has to be NCNM (non-corrosive/non mercuric), as very few facilities loaded corrosive rounds in western calibers after the sixties.

Last edited by jimthompson502002; 03-12-2020 at 09:48 AM.
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