Original U.S. WWII Inert MkII Yellow Early War High Explosive Pineapple Grenade with M10A3 Fuze U.S. Documents & Books The receiver area has also

The receiver area has also been cleaned a lot

and the butt stock was  probably damaged at some point

as Portmore's Dragoons

giving it a nice service worn look

but will fire at half-cock

Original U.S. WWII Inert MkII Yellow Early War High Explosive Pineapple Grenade with M10A3 Fuze U.S. Documents & Books The receiver area has alsoOriginal Item: Only One Available. Totally inert and demilitarized according to BATF guidelines with hollow body and inert fuse. This grenade cannot be converted to an explosive device and is not available for export. This is an 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. Navy being the last users, on 2 April 1945 the Mk II and Mk