The smell of oil and scorched metal lingers in the workshop where the world’s most widely used submachine gun is made.
As workers armed with blowtorches pore over aiming sights and cocking tubes, row upon row of robotic arms are forging and drilling gun barrels on the factory floor.
This is the secretive manufacturing hub of Heckler & Koch, the German firm perhaps best known in Britain for supplying MP5 submachine guns to UK special forces.
