{
  "materials": [

    {
      "item": {
        "tag": "forge:ingots/iron"
      },
      "count": 16
    },
    {
      "item": {
        "tag": "forge:ingots/copper"
      },
      "count": 72
    },
    {
      "item": {
        "tag": "forge:rods/blaze"
      }
    },
    {
      "item": {
        "tag": "forge:gunpowder"
      },
      "count": 24
    }
  ],
  "result": {
    "type": "ammo",
    "id": "tacz:50bmg",
    "count": 24
  }
}