Some early tips for people. I have been crafting some things but the author is correct in that you will get some random drops just as good or better relatively quickly. However if you want a specific gun a blueprint can have value.
https://www.inverse.com/article/5357...ombos-and-more
Detonator and Primer chart:
https://fsmedia.imgix.net/f7/65/11/f...ss&dpr=2&w=650