Made by GMS for the Army of Greece.
G3 COMBAT KNIFE (BUNDESWEHR TRIAL)
Trials knife from 1988/89, Kampftruppenschule Hammelburg.
Second model, full guard,
Standard Bundeswehr bayonet. Older model needs an adapter. HK Bayonet adapters replace the cocking tube end cap and allow you to mount a HK bayo to your rifle.
Third model, half guard,
(First model, guard wo notch, wood pattern scabbard)