Replacing the underpowered 2-pounder, the 6-pounder finally gave British and Commonwealth anti-tank gunners a weapon able to kill most German tanks at practical combat ranges, and it also armed the Churchill and Valentine as an up-gunned tank main armament through the desert and Italian campaigns.
Decommissioned Pakistan Army QF-6 Pounder on public DisplayXtreme o7 · CC BY-SA 4.0 · sourceA U.S. 57 mm M1 gun firing from Champs-Vauverts gate in Saint-Malo intramuros, in Bretagne in August 1944. It seems to be a reconstructed scene for the movie needs of John Ford who followed Patton's armyUnknown authorUnknown author · Public domain · sourceCanadian Forces in the United Kingdom 1939-45 Canadian troops man a 6-pdr anti-tank gun during Exercise 'Spartan', 9 March 1943.Hardy, Bert, War Office official photographer · Public domain · source