{
    "materials": [
      {
        "item": {
          "tag": "forge:ingots/iron"
        },
        "count": 4
      },
      {
        "item": {
          "tag": "forge:gunpowder"
        },
        "count": 2
      }
    ],
    "result": {
      "type": "ammo",
      "id": "elitex:5_45x39mm_ammo",
      "count": 47
    }
  }