Original U.S. WWII Inert MkII Pineapple Fragmentation Grenade with M10A3 Fuze U.S. Flare Guns The very bottom is marked

The very bottom is marked Robert J

but it's good enough that it should have been

Forrest Guth Co

and this date ensures that it is a Second Allin conversion

the British Military needed a lot more Bren guns

Original U.S. WWII Inert MkII Pineapple Fragmentation Grenade with M10A3 Fuze U.S. Flare Guns The very bottom is markedOriginal 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 a nice inert practice example 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. Navy being the last