Pz Kpfw III Ausf N
The Ausf N was produced between June 1942 and August 1943 fitted with the short barrel 7.5cm KwK 37 L/24 gun. This fired a more effective high explosive shell as well as a shaped charged round with better armour penetration than the long barrel 5cm KwK L/60 which it replaced. The Ausf N was popular with ground troops resulting in the remaining Ausf M's on order being completed as Ausf N instead. In all, around 700 were produced.