US Patent 12092408 Combustion gun

A gun having at least two combustion chambers, a first combustion chamber being fixed within the gun, subsequent combustion chamber or chambers being movable in the direction of the barrel, wherein the trigger mechanism is adapted to ignite the volatile mixture in the first chamber; and the gun having means to regulate the timing of ignition of the volatile mixtures in the subsequent chamber or chambers to eject the bullet for the barrel. A reloading plate prevents a bullet being loaded, while the volatile mixtures are ignited.