Was there a method to mass production, or did they have large amounts of blacksmiths just working hard all the time?
Hi, you might be interested in this recent thread on the subject of munition armor.
In the comments there is also a list of other answers u/waritter has written on the subject of medieval armor production: https://www.reddit.com/r/AskHistorians/comments/5ebcwm/during_the_15th16th_centuries_how_was_the_process/dacqqdo/