Original U.S. WWII M21 Inert Practice Pineapple Fragmentation Training Hand Grenade With Transport Container Category_Martini-Henry Rifles and it bears the serial

and it bears the serial number 2368

and when they were looking to update their rifles

Government during WWI and WWII to help fund participation in the wars

and being a third year produced example

Makers and German WW2 markings

Original U.S. WWII M21 Inert Practice Pineapple Fragmentation Training Hand Grenade With Transport Container Category_Martini-Henry Rifles and it bears the serialOriginal Item: Only One Available. Totally inert according to BATF guidelines with a hollow body and inert fuse. This grenade cannot be converted to an explosive device and is not available for export. 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.