{
"type": "cgm:workbench",
"materials": [
{
  "item": "immersiveengineering:gunpart_barrel",
  "count": 4
},
{
  "item": "immersiveengineering:component_steel",
  "count": 7
},
{
  "tag": "forge:rods/aluminum",
  "count": 8
},
{
  "tag": "forge:plates/steel",
  "count": 10
},
{
  "item": "contenttweaker:rubber",
  "count": 5
},
{
  "item": "create:precision_mechanism",
  "count": 5
}
],
"result": {
 "item": "cgm:grenade_launcher"
}
}