It was replaced in the mid-19th century by the breechloading rifle. Muskets were matchlocks until flintlocks were developed in the 17th century, and in the early 19th century flintlocks were replaced by percussion locks. Most muskets were muzzle-loaders.

When did the flintlock replace matchlock?

Between 1625 to around 1675, it replaced the matchlock, wheelock, and all other type flint arms. By 1700, these early dog locks gave way entirely to what is considered the true flintlock.

When were Flintlocks last used?

Flintlock weapons were commonly used until the mid 19th century, when they were replaced by percussion lock systems. Even though they have long been considered obsolete, flintlock weapons continue to be produced today by manufacturers such as Pedersoli, Euroarms, and Armi Sport.