Original U.S. Vietnam War Excellent Deactivated 81mm M43A1B1 HE Mortar Shell Round Dated 1953 with 1963-Dated M525A1 Fuze - Inert Spanish Flags 40 / ckx on the

40 / ckx on the connecting tab

and looks to be an unmarked period replacement

Please note that the mainspring is fairly strong

Please see Ian Skennerton's wonderful book "THE LEE ENFIELD" (Available from IMA separately)

Original U.S. Vietnam War Excellent Deactivated 81mm M43A1B1 HE Mortar Shell Round Dated 1953 with 1963-Dated M525A1 Fuze - Inert Spanish Flags 40 / ckx on theOriginal Item: Only One Available. Totally inert and demilitarized according to BATF guidelines with a hollow body and fuse. This mortar round cannot be converted to an explosive device. Unloaded or dummy grenades, artillery shell casings, and similar devices, which are cut or drilled in an BATF approved manner so that they cannot be used as ammunition components for destructive devices, are not considered NFA weapons. This example is in total