A series of 3 videos on how to construct a single barrel 12G Shotgun. Posted for information and educational purposes only. Making a shotgun may not be legal in some jurisdictions around the world, so individuals should check local laws as to whether this kind of device is legal to make, store or use. The safety and effectiveness of this device is very much a matter of the quality of the materials used, and the competence of the manufacturer and the user. YMMVC.