It can often give perfect sense of achievement and excitement by large diameter air gun while hunting large animals. However, the general air gun which kinetic energy is above 600 joules and can shoot large wild boar often has a huge volume, and its length will often be a severe trouble for hunters while animals hide in the jungle or bush. When shooting the moving prey, it often seems not flexible enough to use the gun with long length. Now SCARAB can bring unprecedented changes, and it can shoot the huge bullet of 72CLA, and can be flexibly put into backpack for a foot and a half of its length, but able to output the energy of more than 600 joules (450FT). It can also launch grapeshot, arrow and pellet. At the same time, it is accepted for customize different caliber, and will be a new unprecedented experience for hunting huge animals by using air gun.