This is an amazing back weapon system that is being added to the HGBC series! Equip this backpack and enhance your mobile suits! The weapon system can be used to customize a variety of model kits, including existing models! The front end of the backpack can detach to create a wieldable weapon! Enjoy a wide range of weapon combinations. Set includes backpack, rifle, and binder. Comes with 4 Runners, a Sticker sheet, and Instruction manual. Measures approximately 5-incehs tall when complete.