Rushed to Eighth Army before Gazala, the M3's hull-mounted 75mm gun finally let British tanks fire high-explosive shells and match German armour and anti-tank guns at range, though the sponson mounting and tall silhouette were serious flaws. The British 'Grant' variant fitted a redesigned turret without the American cupola.
US built WW2 era Medium Tank Main armament:- 75mm Gun M2/M3 Total M3 production (all models):- 6,258. The British Grant II had the US designation M3A5 and was powered by twin General Motors 6-71 diesel engines. Built by Alan Wilson from Peterborough, Cambs, UK · CC BY-SA 2.0 · sourceGrant and Lee tanks of 'C' Squadron, 4th (Queen's Own) Hussars, 2nd Armoured Brigade, El Alamein position, Egypt, 7 July 1942. Photographer: No 1 Army Film & Photographic UnitNo 1 Army Film & Photographic Unit · Public domain · source