Ammo Forge

Ammo Forge
The Ammo Forge is a Hard Mode item dropped by Mimics. It acts similarly to the alchemy table allowing players to conserve resources when crafting items at a 33% chance not to consume materials. But instead of potion crafting efficiency it allows players to craft bullets using no materials a third of the time.

It can also be found dropped from any of the mechanical bosses (ie.Twins,Prime), and sold for 1