US Patent 9518802 Multi-launcher firearm

A multi-launcher firearm includes a firearm body comprising a plurality of ammunition launchers for storing different types of ammunitions having different ranges in the respective ammunition launchers, an input device connected to the firearm body for receiving a designation inputted by a user, and a controller mounted on the firearm body and respectively connected to each ammunition launcher for receiving the designation from the input device and then controlling the ammunition launcher correspondent to the designation to launch out the ammunition stored therein. The ammunition in each ammunition launcher comprises a plurality of rocket projectiles. All the rocket projectiles stored in the ammunition launcher share an identical diameter.