40 X 158R shell case & headstamp

  • I have this British made 40X158R rimmed brass shell case, see it here with the side markings and headstamp => historyofwar.org/Pictures/pi … neIID.html the Vickers 40mm Class ‘S’ gun can be seen under the wing of the Hawker Hurricane IID fighter plane. 3) 40mm Rolls-Royce BD gun for the naval aircraft; 4) 40mm Rolls-Royce BH-40 anti-tank gun mounted on aircraft. Liviu 07/05/09 P.S. The 40X158R shell case is 6.220-inch [158mm] tall having a head diameter of 1.889-inch [48mm].