This patent describes the manufacture of both the casing and the pyrotechnic composition of ammunition which is designed to set the target alight.

From the Abstract:

This invention relates to a fire cartridge for starting a fire under adverse circumstances or in inclement weather by an individual who may encounter such circumstances.

It is therefore, the object of this invention to overcome such adversity by providing a charge adaptable to any shell casing that may be inserted in and fired from the barrel of any conventional hand weapon to attain combustion in the target material.