For RPG Launchers. RPG's 52mm ammo is pre-made ammunition for RPG 52mm Launchers. Kit comes with Six pre-made cardboard Sabots (which are reusable) Ten balloon bladders, and ten fills and fill bottles (bottles are also reusable.) Easy to make yourself! All our launchers include RPG 52mm Ammo Plans so you can make it yourself, or order a case and use the example!