Most Ausf.Fs were armed with a 7.5cm StuK 40 L/43 gun, but the final 31 examples featured a longer and more potent L/48 gun.
Features of last-production type:
- welded-on frontal armor and concrete above the driver's position.
- new mounting brackets for the cleaning rods on the left side of the hull
- the front portion of the fenders are of a fixed, rather than folding type.
- new antenna troughs on the rear hull of the StuG.III F
Size/Weight: 38.5 x 24.5 x 8.5 cm / 720g