Original U.S. WWII M21 Inert Practice Pineapple Fragmentation Training Hand Grenade Cannons & Mortars The Provincial Reconnaissance Units (PRUs)

The Provincial Reconnaissance Units (PRUs) were South Vietnamese special paramilitary units

With the conclusion of the Franco-Prussian War and the annexation of Alsace-Lorraine

This stamped sheet steel construction helmet retains much of its paint but does show wear and use

originally made before WWI for the M1903 Springfield Rifle

with the factory darkening still very well retained

Original U.S. WWII M21 Inert Practice Pineapple Fragmentation Training Hand Grenade Cannons & Mortars The Provincial Reconnaissance Units (PRUs)Original 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.