£ 395 INERT DEACTIVATED. This is a German WW1 high explosive fragmentation Granatenwerfer 16. The weapon was first introduced into the Austrian army in 1915 and adopted in a modified version by the Germans in 1916 as the Granatenwerfer 16 for use as a small e INERT DEACTIVATED. This is a German WW1 high explosive fragmentation Granatenwerfer 16. The weapon was first introduced into the Austrian army in 1915 and adopted in a modified version by the Germans in 1916 as the Granatenwerfer 16 for use as a small e Other Ammunition