Original U.S. WWII M21 Inert Practice Pineapple Fragmentation Training Hand Grenade with M10A2 Fuze French Machine Guns There is also some fraying

There is also some fraying on the ends

The helmet shells were produced in three sizes

so it may need to be replaced

Two during Operation Torch (The Invasion of North Africa

this example is a much later produced one and where the date code there is the serial number 5282

Original U.S. WWII M21 Inert Practice Pineapple Fragmentation Training Hand Grenade with M10A2 Fuze French Machine Guns There is also some frayingOriginal Item: Only One Available. Totally inert according to BATF guidelines with a hollow body and inert fuse. This is a great example of the M21 Practice Training grenade, an inert version of the iconic U. S. fragmentation pineapple grenade issued during WWII. The Mk II was standardized in 1920 replacing the Mk I of 1917. It was phased out gradually, the U. S. Navy being the last users, and on 2 April 1945 the Mk II and Mk IIA1 were re designated