{
"type": "cgm:workbench",
"materials": [
{
  "item": "immersiveengineering:gunpart_barrel",
  "count": 1
},
{
  "item": "immersiveengineering:component_steel",
  "count": 3
},
{
  "tag": "forge:rods/iron",
  "count": 2
},
{
  "tag": "forge:plates/iron",
  "count": 4
},
{
  "tag": "forge:treated_wood",
  "count": 1
}
],
"result": {
 "item": "additionalguns:p250"
}
}