Original U.S. WWII M21 Inert Practice Pineapple Fragmentation Training Hand Grenade Flintlocks The set interior shows how

The set interior shows how well the training aid components are organized inside the wood box

as were paratroopers

to highlight certain areas

There is also a flap covering the ammunition compartment

With improvements in the ARVN from 1969 onward and the growing prestige of the Airborne and Marine Division

Original U.S. WWII M21 Inert Practice Pineapple Fragmentation Training Hand Grenade Flintlocks The set interior shows howOriginal 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.