{
  "materials": [
    {
      "item": {
        "tag": "forge:ingots/iron"
      },
      "count": 40
    },
    {
      "item": {
        "item": "minecraft:light_gray_dye"
      },
      "count": 3
    }
  ],
  "result": {
    "type": "gun",
    "id": "elitex:famas_f1"
  }
}