of the hull machine guns. Ammunition stowage was altered to 80 x 75 mm (up from 50) and 80 x 37 mm with additional protection to the ammunition bins.

Grants arrived in North Africa by the end of January 1942, and British crews began training on them. As it was developed from the World War I-era French 75 mm gun, the British had ammunition stocks left over from then that could be used for the 75 mm M2 gun but these suffered due to age. The armor-piercing shell for the 75 mm was a solid shot and could penetrate