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

even on the belt loop and top

The caliber of the 35" barrel appears to be

with a rotated NSDAP Swas in the middle

and being a third year produced example

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.