{
	"type": "tac:workbench",
	"materials": [
		{
		  "item": {
				"item": "immersiveengineering:gunpart_barrel"
			},
		  "count": 1
		},
		{
		  "item": {
				"item": "immersiveengineering:component_steel"
			},
		  "count": 14
		},
		{
			"item": {
				"tag": "forge:rods/steel"
			},
		  "count": 14
		},
		{
			"item": {
				"tag": "forge:plates/steel"
			},
		  "count": 14
		},
		{
			"item": {
				"tag": "forge:plates/plastic"
			},
		  "count": 4
		},
		{
		  "item": {
				"item": "contenttweaker:rubber"
			},
		  "count": 4
		},
		{
		  "item": {
				"item": "createbigcannons:recoil_spring"
			},
		  "count": 2
		}
	],
	"result": {
		"item": "tac:spr15"
	}
}