Metal punch made of NC6 hardened steel with a hardness of 56-58 HRC.
Can be used on mild steel and other metals, wood, leather, etc.
Austrian Probing Mark applied to a weapon confirming the successful completion of Trials involving the firing of cartridges with a force greater than standard bullets. It varies depending on the powder used in the test (black or smokeless, otherwise known as nitro) and the type of weapon on which it was applied.
Used in Ferlach since 1945.
Confirmation type: Confirmation for multi-barrel black powder pistols