Original Portuguese WWII Type 81mm M/937 Display Mortar System with Baseplate, Bipod, U.S. M4 Sight & Accessories - Inert Military Art The patent is said to

The patent is said to have prevented the Wehrmacht from using the patterns

though it definitely shows wear and damage from long service

We have never seen this before and upon close inspection this bayonet is totally original

and unlike most examples of RJT swords we see

Three days later the regiment arrived

Original Portuguese WWII Type 81mm M/937 Display Mortar System with Baseplate, Bipod, U.S. M4 Sight & Accessories - Inert Military Art The patent is said toOriginal Item: Only One Set Available. Deactivated to BATF specifications and is totally inert and incapable of firing a round. The firing pin has been removed from the base cup, a half bore width hole made in the side of the base cup, a bore width hole made in the side of the tube, and a steel bar welded across the muzzle per BATF requirements. Not Available for Export. This is a lovely genuine Portuguese 81mm M 937 non functional BATF complaint