7,5 cm KwK L/24 Barrel & 75 mm M3 L/37,5 barrel | Armorama

Version 1.  Solid gun armoured cover.

Pz.Kpfw.III Ausf.N,  Pz.Kpfw.IV Ausf. A, C, D, E, F1, StuG III Ausf. A, B, C, D, E

This is partial text from the full article (usually with photos) at https://armorama.com/news/7-5-cm-kwk-l-24-barrel-75-mm-m3-l-37-5-barrel

Surely fits also with Sd.Kfz.250/8…