Complex sentence: The increased space and reduced weight of the turretless design also allowed mounting a larger weapon and providing heavier frontal armour on any given chassis, and in most cases these turretless vehicles also presented a lower profile as a target for the enemy.
Split into simpler sentences: The increased space and reduced weight of the turretless design also allowed for the mounting of a larger weapon and heavier frontal armour on any given chassis. In most cases, these turretless vehicles also presented a lower profile as a target for the enemy.