Video from GunCraft101 showing you how he built his AR-10 from bullet brass, or shell casings made of brass. We don't know if you can build an AEG from plastic BBs though... "I start out making a wooden pattern to make a greensand mold, then I melt 1425 brass casings of various sizes to make a 13+ pound blank. hen the machining begins! After many hours of precision machining, I'm left with...well, watch the video and you'll see.
