Original U.S. Vietnam War INERT Practice M31 HEAT Anti-Armor Rifle Grenade Trainer Dated 1963 - 66mm Field Gear This example is heavily worn

This example is heavily worn and has extensive moth damage

However it was still perfectly suitable for ammunition stowage testing

HMS Temeraire

with some minor scuffing and oxidation on the fittings

which still has the green felt insert

Original U.S. Vietnam War INERT Practice M31 HEAT Anti-Armor Rifle Grenade Trainer Dated 1963 - 66mm Field Gear This example is heavily wornOriginal 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