Complex sentence: The infantry had only its rifles and 14 Bren light machine guns and less than 10 Boys anti tank rifles and a few 2 mortars per battalion, there were no carriers and a limited amount of impressed civilian transport.
Split into simpler sentences: The infantry had only its rifles, and for each battalion, 14 Bren light machine guns, less than 10 Boys anti tank rifles and a few 2 mortars. There were no carriers and a limited amount of impressed civilian transport.