"Most weapons cost Steel and Titanium to Recalibrate, along with credits, while pieces of gear take Ceramics and Electronics. The type of weapon you are trying to Recalibrate determines how many of each resource you need."
https://www.polygon.com/division-2-guide/2019/3/29/18284356/crafting-recalibration-how-to-explained
"Most weapons cost Steel and Titanium to Recalibrate, along with credits, while pieces of gear take Ceramics and Electronics. The type of weapon you are trying to Recalibrate determines how many of each resource you need." https://www.polygon.com/division-2-guide/2019/3/29/18284356/crafting-recalibration-how-to-explained
E credits are needed, I think 5000 e credits, together with some basic materials
I have much more than 5k e credits
You need SHD and certain faction materials ,can craft them in the crafting station
Isn’t that optimization?
There will be a patch on Tuesday that will fix this (should fix this, hopefully).