This includes includes 5mm slugs, 10mm bullets. NexusMods user Xylozi has created a PC mod for Fallout 4 that adds every type of ammunition imaginable as a craftable object at the title's in-game Chemistry Stations.
One Fallout 4 fan creates a brand new mod for Bethesda's post-apocalyptic RPG that lets players craft every type of ammunition available in the title.