My brother is talented with woodwork. One of his co-workers had a old 12 gauge shotgun with a broken stock. My brother bought the shotgun for $50 and is making a new stock. One of his neighbors had a walnut tree that the power company took down because it was too close to a power pole. My brother kept a lot of the wood. He dried the wood and got it down to the proper moisture level. He has spent a lot of time shaping the stock and front piece to fit.
It is an old single barrel, single shot shotgun. He took the stock and the barrel to work to show the guy they used to own it. It was not yet quite fitting so it was a two piece gun. One of the other co-workers immediately asked "Is that a bump stock to make it automatic?"
He laughed and said yep, pull the trigger and it will shoot all the bullets instantly.