A spud gun is not considered a firearm unless it fires a projectile faster than 152.4 meters per second and at a muzzle energy exceeding 5.7 Joules based on the definition of a firearm in the Canadian Criminal Code.
In accordance with the Canadian Criminal Code's definition, a spud gun is not regarded as a firearm unless it propels a projectile at velocities exceeding 152.4 meters per second and releases energy of more than 5.7 Joules.