I grew up near the factory, without knowing what was made there. The Ordnance Survey maps at the time showed the area as it was before the factory existed, and weren't updated until after it closed. Later I learned that they made cordite (propellant for bullets) there.<p>Ben Cooper is held in very high regard among urban explorers. His original report is at <a href="https://www.derelictplaces.co.uk/main/military-sites/10983-royal-ordnance-factory-bishopton-near-glasgow-2009-a.html?highlight=bishopton" rel="nofollow">https://www.derelictplaces.co.uk/main/military-sites/10983-r...</a><p>Although trespass in Great Britain isn't usually a crime (in England and Wales it's a tort, and in Scotland in most cases it's a right under the Scottish Outdoor Access Code), there are certain exceptions, one of which might have applied to the ROF at the time Ben visited it: places used to store explosives. Ben was charged, but the Procurator Fiscal dropped all charges.