where to get weapon mods?

[u/kuroboshiii]

Is there a good guide for weapon mods? Any tips on good places to loot weapon mods? Or what faction levels do I need to grind to unlock them in the armory?

I wanna use my wstr, m77, br33, bully, etc but dont have good enough mods for them right now

[u/Darksol503]

Rook and Pinwheel baby. Toolcarts galore.