An East Bay man is facing a federal weapons charge after he was allegedly found with a 3-D printed firearm and a device that converts a pistol into a machine gun.

1x 7.62mm M240J machine gun; 7.62mm shoulder-fired precision weapon Propulsion: 2x GE T700-GE-401C turboshaft engines Max Speed: 180 knots Range: 700 nautical miles The MH-60 is an all weather ...