Powder and PrimerG 20

To unlock this achievement you simply need to create ammunition at your Home Base five times. You can access your Home Base's facilities by pushing up on your D-Pad. RB over to the Home tab to view your available facilities. You must have a library (to research the knowledge) and a workshop (which needs upgrading into a munition shop) facility built in order to create ammunition. Build these facilities if you need them, select the munition shop, and choose any weapon caliber you want. It takes 4 minutes to create ammo. Initiate the task 5 times and in 20 minutes the achievement will be yours.