Hardox for the Weapon and armour arrived while I was away. 4mm Hardox 500 for the armour and 20mm Hardox 500 for the weapon. Still on the list is a sheet of 3mm Titanium (Grade 5 or above), 20mm Aluminium for the bulkheads and weapon mount (2014, 7075 or Alumec) and then various diameters of Titanium bar for supports and shafts.