Which type of muzzleloader uses a flintlock mechanism?

The flintlock mechanism is a specific ignition system used in muzzleloading firearms that relies on the striking of flint against steel to create a spark. This spark ignites the gunpowder, resulting in the discharge of the firearm. Flintlocks became popular in the 17th century and were widely used until they were eventually replaced by percussion systems in the 19th century.

In the context of the other choices, the matchlock uses a slow-burning wick to ignite the powder, while the percussion mechanism employs a cap that detonates when struck by a hammer, making them distinctly different from the flintlock design. The breechloader refers to firearms that load ammunition from the rear of the barrel, which does not pertain to traditional muzzleloading mechanisms like the flintlock. Therefore, the identification of the flintlock as the correct answer is based on its unique method of operation and historical significance in the development of firearm technology.