Unknown sleeve 20 mm from the plane

[Adolf Mebius]

Hi all,

Prompt from what gun? And who the manufacturer?

Regards,
Adolf.

[torque]

20x80,6 for german MG FF/FFM. Made 1940

[Adolf Mebius]

20x80,6 for german MG FF/FFM. Made 1940
Danke! :)

[rigby]

Hersteller - Hugo Schneider AG Werk Altenburg

[Adolf Mebius]

Danke rigby! :)

And in what difference of guns and ammunition MG-FF and MG-FF/FFM?