Original U.S. Vietnam War INERT Practice M31 HEAT Anti-Armor Rifle Grenade Trainer Dated 1963 - 66mm Category_Martini-Henry Parts The translation goes on to

The translation goes on to mean

which were solid brass

it is unlikely parts were even available

while the "turned-down" carbine bolt handle is non-matching and only partially legible

used to hang the dagger

Original U.S. Vietnam War INERT Practice M31 HEAT Anti-Armor Rifle Grenade Trainer Dated 1963 - 66mm Category_Martini-Henry Parts The translation goes on toOriginal Item: Only One Available. Totally inert and demilitarized according to BATF guidelines with hollow body and deactivated propulsive charge. This rifle grenade round cannot be converted to an explosive device, it is just a trainer. Not Available For Export The M31 HEAT is a fin stabilized anti tank rifle grenade designed in the late 1950s to replace the Belgian ENERGA rifle grenade which was adopted by the US Army and US Marines as an emergency