{
  "materials": [
    {
      "item": {
        "tag": "forge:ingots/iron"
      },
      "count": 38
    },
    {
      "item": {
        "tag": "forge:gems/lapis"
      },
      "count": 6
    },
    {
      "item": {
        "tag": "minecraft:logs"
      },
      "count": 8
    }
  ],
  "result": {
    "type": "gun",
    "id": "tacz:m4a1",
    "attachments": {
      "stock": "tacz:oem_stock_tactical"
    }
  }
}