7,5 cm PaK 42 L/70 auf StuG III (projekt) : Germany (DEU)
Panzer DB on Twitter: "Wooden mockup with fake gun of the 7,5cm PaK 42 L/70 auf Sturmgeschütz III made by Alkett. The aborted StuG Ausf. H. http://t.co/qnmNbdPTDM" / Twitter
7.5 cm KwK 42 - Wikipedia
75mm PaK 42 L/70 Gun Barrel for German Tank Destroyer E-25, Armorscale B35-092
Panther1944 - Main gun (75mm KwK 42 L/70)
The Modelling News: Read n' Reviewed: New Nuts & Bolts - Vol.38 Jagdpanzer IV Part 2: L/70 (Sd.Kfz. 162/1)