{
  "materials": [
    {
      "item": {
        "tag": "forge:ingots/copper"
      },
      "count": 8
    },
    {
      "item": {
        "tag": "forge:gunpowder"
      },
      "count": 3
    }
  ],
  "result": {
    "type": "ammo",
    "id": "create_armorer:rbapb",
    "count": 32
  }
}