Original U.S. Vietnam War Inert 40mm XM576E1 High Velocity Buckshot Shotgun Round with XM199 Aluminum Case - Dated 1970 Manufacture Type_Original Items so we can definitely tell

so we can definitely tell this was done on purpose

The crossguards and tang nut are in very good condition throughout with all fittings having a nice aged patina

known as a "Martingale"

which appears to have been well used

Original U.S. Vietnam War Inert 40mm XM576E1 High Velocity Buckshot Shotgun Round with XM199 Aluminum Case - Dated 1970 Manufacture Type_Original Items so we can definitely tellOriginal Item. Only One Available. The 40mm XM576E1 High Velocity Buckshot Round was developed to enhance close range effectiveness in combat situations. Designed for use with automatic grenade launchers, such as the Mk 19, this round was intended to provide a widespread shot pattern capable of engaging multiple targets simultaneously. The buckshot configuration made it especially useful in jungle warfare and urban combat, where enemy forces could be