During WWII's Normandy Campaign the inability of Allied tanks to compete against their German foes, primarily in terms of armored protection and armamanent, was and remains today a fairly well known story. Nevertheless, what is often forgotten is that by the summer of 1944 the British had found a simple, relatively cost effective solution to the problems posed by hard hitting German AFV's (Armored Fighting Vehicles).
What the British had discovered was that if they took a 17-pounder L/55 anti-tank gun and employed tungsten armor-piercing rounds powered by a higher than normal amount of
