This is a 10,5 cm Spgr. Patr. 32 L/4,4 for the 10,5 cm SK.C. 32.
It was mostly used in the 10,5 cm Schnelladekanone C/32 in 8,8 cm Marine Pivotlafette C/30D, which was an antiaircraftgun for both land and sea.
But this ammunition was also used in the 10,5 cm Ubts u. Tbts Flak L45, which were mounted on U-boats and Torpedoboten.....BILL
It was mostly used in the 10,5 cm Schnelladekanone C/32 in 8,8 cm Marine Pivotlafette C/30D, which was an antiaircraftgun for both land and sea.
But this ammunition was also used in the 10,5 cm Ubts u. Tbts Flak L45, which were mounted on U-boats and Torpedoboten.....BILL