Board Thread:General Discussion/@comment-28241891-20171029121025/@comment-32073938-20171216063715

Gore33 wrote: Through Perfect Enhancement Materials.

They're obtainable through Hard 9. You can get 30 parts which together are one PEM. You can choose what to enhance.

Enhance the ammo 5 times and there you go. You can only enchance them to 3......5 is impossible....