Rifle barrel made from rebar

YouTuber “xynudu“ recently made a screwdriver from large rebar and suggested it might be cool to see a gun barrel made from rebar. I can’t resist an idea like that! UPDATE: Added Grip and Extractor in part 2: Shooting it in part 3: “Make a heavy duty screw driver out of Rebar“ The barrel is made from ~1“ rebar about 18 inches long that I got at the local scrap yard. First I center-drilled the end and w