The utility model relates to a chain is cartridge box for weapon, including bottom plate, first curb plate and second curb plate, first curb plate and second curb plate both sides adjacent with the bottom plate respectively link firmly, the bottom plate is divided into planner scetion and inclined plane section, and its neutron bomb lies in the bottom plate, and projectile tail places planner scetion in, and the inclined plane section is placed in to the bomb body body, and the warhead is towards the inclined plane section. The utility model discloses the cartridge box bottom plate adopts theplane to add inclined plane design, can support the warhead on the one hand, and on the other hand has reduced the height of rear panel, has subtracted two support frames, has reduced the material, has reduced spare part, has alleviateed cartridge box weight.