All these attachments actually used during the First World War.
- kind of model automatic pistol "Parabellum" P08 with long barrel, holster and clip drum cartridge for 32 bullets. It was used by german officers.
- Explosive bullets prohibited by the Hague Peace Conferences of 1899 and 1907, but still used during the war.
- Вevice for firing rifle Mannlicher. It allowed not only the aim of the closed position, but also to reload the rifle.
P.S. Sorry for my google translate English