Original U.S. WWII Inert MkII Pineapple Grenade with Yellow Ring & Fuze Cutaway Visual Training Aid from Aberdeen Proving Grounds French Edged Weapons This HJ Knife is a

This HJ Knife is a great example of the type

which are now somewhat beige

however if cycled to fast the cylinder can over rotate due to wear on the internals

It also still retains the front gasket with all of the rubber fingers

Original U.S. WWII Inert MkII Pineapple Grenade with Yellow Ring & Fuze Cutaway Visual Training Aid from Aberdeen Proving Grounds French Edged Weapons This HJ Knife is aOriginal Item: Only One Available. This is an outstanding inert WWII U. S. MkII Pineapple fragmentation grenade that was professionally sectioned as a visual training aid, allowing the internal relationship of the grenade body, fuze and firing mechanism to be examined. Unlike a standard inert display grenade, this example was deliberately cut open through both the body and fuze, with the opposite side carefully sanded flat so that the grenade can rest