there could be a problem with the motor, or a burning glue gun in the car, or your simply crazy
Burning powder
The burning material inside a firearm is gunpowder. When ignited, gunpowder rapidly produces high-pressure gases that propel the bullet down the barrel and out of the firearm.
A bullet leaves a gun barrel because it is forced out by the pressure of burning gasses.
When it burns, as hot as a burning match.
Have Gun - Will Travel - 1957 The Burning Tree 6-22 was released on: USA: 9 February 1963
Burning of any material is an oxidation reaction, a chemical change.
Gasses created from burning gunpowder.
Keeps you from burning your hand on a hot barrel.
Obviously Chuck Norris with a BB gun would impale The burning gundam. Chuck Norris can kill anything.
Steel
There are no giant balls of burning glasses: glass is not really a combustible material.