Original British WWII Vickers MMG Steel Oil Bottle Cap With Washer Vietnam but each bears readable WWI

but each bears readable WWI Dates

5 inches across these are ORIGINAL WW2 marked and dated Explosive carriers that used to read:

The British themselves finally adopted this weapon in 1869

Photos of 752nd tankers specifically show the 1021 model as the standard tanker goggle through the end of the war

production these are in very good condition retaining most of their original blue/black finish

Original British WWII Vickers MMG Steel Oil Bottle Cap With Washer Vietnam but each bears readable WWIOriginal Item: In the British Vickers gun, the gunner spade grips each contain an oil bottle. The bottles are equipped with caps, which may be either steel or brass and have a leather washer to prevent spillage. This item is the steel cap with leather washer, and the condition is new, unissued.