Our Olive Drab Pineapple Dummy Grenade is an authentic replica of the MK2 Pineapple Grenade. This grenade was used from World War II up until 1969. The Navy was the last branch to use this grenade. The Olive Drab Pineapple Dummy Grenade has been painted an Olive Drab and has a hole in the bottom to demil it. These are great paperweights or conversation pieces. They are often used as part of costumes or military decorations. This grenade is the most popular style.