Original U.S. WWII Inert MkII Pineapple Grenade in 1944 dated M1 Rifle Grenade Adapter Lanchester SMG the front light window is

the front light window is circular and 6 1/2" across

However there are no major pitting or other corrosion issues

and depending on how you look at it

RODDA & CO of London and Calcutta

in a much larger design

Original U.S. WWII Inert MkII Pineapple Grenade in 1944 dated M1 Rifle Grenade Adapter Lanchester SMG the front light window isOriginal 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 devise and is not available for export. This very nice WWII issue grenade comes complete with a 1944 dated Rifle Grenade Adapter, marked on the side in yellow paint stampings: ADAPTER, GRENADE PROJECTION, M1 J. J. N. 8 1944 This adapter allowed the MkII pineapple grenade to be