{
  "materials": [
    {
      "item": {
        "item": "minecraft:crying_obsidian"
      },
      "count": 2
    },
    {
      "item": {
        "tag": "forge:gems/diamond"
      },
      "count": 5
    }
  ],
  "result": {
    "type": "attachment",
    "id": "tacz:ammo_mod_fmj"
  },
  "type": "tacz:gun_smith_table_crafting"
}