Ungroup script for InsertService?

Essentials

What you're trying to do requires simply parenting the inserted model to your wanted location, iterating through said model, and parenting all of it's childern to the model's parent. Afterwards you can just delete the inserted model.

Code

local insert = game:GetService("InsertService")
local assetId 

function unGroup(model)
	for _,v in next,model:GetChildren() do
		v.Parent = model.Parent
	end
	model:Destroy()
end

local model = insert:LoadAsset(assetId)
model.Parent = scparent.Backpack

unGroup(model)