Original Finnish Winter War Soviet Russian 50mm Mortar Head Converted Hand Grenade - Inert Flags & Signs but no chipping or cracks

but no chipping or cracks that we can see

There is no caliber marking present on the gritter guard

although the elderly pre-dreadnought SMS Pommern sank rapidly at Jutland after a magazine explosion was caused by an underwater attack

Helmet is steel construction

There is a "3" on the back of the cylinder

Original Finnish Winter War Soviet Russian 50mm Mortar Head Converted Hand Grenade - Inert Flags & Signs but no chipping or cracksOriginal Item: Only One Available. This is a totally inert BATF approved grenade. This started life as a Soviet issue 50mm HE Mortar head which was captured by the Finns during the Winter War and converted to a hand grenade. Little is known about the improvised weapons, but today they are some of the most scarce of all WW2 ordnance. Like all deactivated ordnance, this grenade is Not Available for Export. The UZRGM (Universal'nyi Zapal, Ruchnaya