Original U.S. WWII Deactivated 81mm M56 HE Mortar Shell Round - Inert Night Sights There is a faint size

There is a faint size 61 stamp on one finger

It does however have an 800 stamped on top of the pin

indicating that the shell is a U

It appears to be made of woven red cotton

Original U.S. WWII Deactivated 81mm M56 HE Mortar Shell Round - Inert Night Sights There is a faint sizeOriginal Item: Only One Available. Totally inert and demilitarized according to BATF guidelines with hollow body and inert fuse. This mortar round cannot be converted to an explosive devise and is not available for export. This is a totally genuine United States military WWII produced SHELL, M56, with the correct aluminum base fins and propellant charge. The other grenade still has the original cap used to protect the fuse cavity before it would be