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 went about 3“ in with a standard-length 5/16 drill bit. Then I deep-drilled it about 10“ using a Dewalt branded installer bit from the local home center. I expected this bit to burn out pretty quickly through so much solid steel but it actually performed very well and is still sharp. Good for Dewalt for choosing a high quality OEM. After the bar was drilled through, I ground off a few of the ribs and milled a nice flat. A chunk of