Original U.S. WWII Era 81mm Dummy / Training Practice (TP) Round - Inert Japanese Field Gear Galilean designs were widely used

Galilean designs were widely used up to the end of the 19th century when they gave way to porro prism types

We can see where the three letter maker code is

- x2 First Officer Rank Insignia: In aviation

Barrel Length: 33 1/2 Inches

made by the famous Solingen-based firm of Carl Eickhorn

Original U.S. WWII Era 81mm Dummy / Training Practice (TP) Round - Inert Japanese Field Gear Galilean designs were widely usedOriginal Item: Only One Available. Totally inert and demilitarized according to BATF guidelines with a solid body and the propellant charge removed. This mortar round cannot be converted to an explosive device and is not available for export. This is a hard to find WWII Era M69 Training Practice Cartridge, as used with the U. S. WWII issue 81mm Mortar Systems. This TP round also continued to be used during the Korean war, and into the Vietnam era. The