Arquebus - Mechanism

Mechanism

The arquebus was fired by a matchlock mechanism. It had a larger bore than its predecessors. From the middle of the 16th century, newer wheellock mechanisms were used instead of older matchlocks. The flared muzzle of some examples made it easier to load the weapon. The name 'hook gun' is often claimed to be based on the bent shape of the arquebus' butt. It might also be that some of the original arquebuses had a metal hook near the muzzle that may have been used for bracing against a solid object to absorb recoil. Since all the arquebuses were handmade by various gunsmiths, there is no typical specimen.

The trigger mechanism of an early arquebus most often resembled that of a crossbow: a gently curved lever pointing backward and parallel to the stock (see illustration of Spanish arquebusier below). Squeezing the lever against the stock depressed a sear which was in turn linked to the base of the serpentine that held the match. The serpentine then brought the match into the flash pan to ignite the priming, firing the weapon. By the later 16th century, gunsmiths in most countries had begun to introduce the short trigger perpendicular to the stock that is familiar to modern shooters. However, the majority of French matchlock arquebuses retained the crossbow-style trigger throughout the 17th century.

• Firing

• Installing the weapon on its supporting stick

• Aiming, hand on the trigger

• The lock ignites the fuse

• The main propellant is ignited, and much smoke ensues