Original U.S. Vietnam War Inert M374A1 HE 81mm Mortar Round - Dated 1974 Japanese Holsters The Model 1816 also had

The Model 1816 also had a more straight lined stock

so it was replaced with the M2 and later M3 diaphragm based gas masks

though it may have been refinished

It's a nice lightweight helmet

Original U.S. Vietnam War Inert M374A1 HE 81mm Mortar Round - Dated 1974 Japanese Holsters The Model 1816 also hadOriginal Item: Only One Available. This is a wonderful example of an 81mm M374 HE round for the M29 Mortar System. This round cannot be rendered live again to be used as an explosive device and is in complete compliance per the current regulations set out by the BATF. Not Available For Export. The M29 is an American produced 81 millimeter mortar. It began replacing the M1 mortar in U. S. service in 1952 being lighter and with greater range. It was