What kind of powder can cause serious injury if used in a muzzleloader?

Modern smokeless powder can cause serious injury if used in a muzzleloader due to its significantly different properties compared to black powder. Smokeless powder generates much higher pressures when ignited, which far exceeds what traditional muzzleloading firearms are designed to handle. This can lead to catastrophic failures, such as ruptured barrels or exploded firearms, posing extreme danger to the shooter and bystanders.

In contrast, black powder is specifically designed for use in muzzleloaders, providing a safe and effective means of propulsion for these types of firearms. Pyrotechnic powder and granulated powder also serve specific functions and are not suitable for use in muzzleloading firearms, but they do not pose the same level of danger as modern smokeless powder when improperly used. Understanding the risks associated with different types of gunpowder is crucial for safe hunting practices and ensuring the proper operation of muzzleloaders.