Pepper-box
Overview
 
The pepper-box revolver or simply pepperbox (also "pepper-pot", from its resemblance to the household pepper grinder) is a multiple-barrel
Multiple Barrel Firearm
A Multiple barrel firearm is a firearm of any type with more than one barrel, usually to increase the rate of fire/hitting probability and to reduce barrel erosion/overheating.-Definition:...

 repeating firearm that has three or more barrels grouped around a central axis. It mostly appears in the form of a multi-shot handheld firearm
Firearm
A firearm is a weapon that launches one, or many, projectile at high velocity through confined burning of a propellant. This subsonic burning process is technically known as deflagration, as opposed to supersonic combustion known as a detonation. In older firearms, the propellant was typically...

. Pepperboxes exist in all ammunition systems: matchlock
Matchlock
The matchlock was the first mechanism, or "lock" invented to facilitate the firing of a hand-held firearm. This design removed the need to lower by hand a lit match into the weapon's flash pan and made it possible to have both hands free to keep a firm grip on the weapon at the moment of firing,...

, wheellock
Wheellock
A wheellock, wheel-lock or wheel lock, is a friction-wheel mechanism to cause a spark for firing a firearm. It was the next major development in firearms technology after the matchlock and the first self-igniting firearm. The mechanism is so-called because it uses a rotating steel wheel to provide...

, flintlock
Flintlock
Flintlock is the general term for any firearm based on the flintlock mechanism. The term may also apply to the mechanism itself. Introduced at the beginning of the 17th century, the flintlock rapidly replaced earlier firearm-ignition technologies, such as the doglock, matchlock and wheellock...

, percussion, pinfire
Pinfire
A pinfire firearm cartridge is an obsolete type of brass cartridge in which the priming compound is ignited by striking a small pin which protrudes radially from just above the base of the cartridge....

, rimfire and centerfire.

The pepperbox should not be confused with a volley gun
Volley gun
A volley gun is a gun with several barrels for firing a number of shots, either simultaneously or in sequence. They differ from modern machine guns in that they lack automatic loading and automatic fire and are limited by the number of barrels bundled together.In practice the large ones were not...

 (like the seven-barrel long gun
Nock gun
The Nock gun was a seven-barrelled flintlock smoothbore firearm used by the Royal Navy during the early stages of the Napoleonic Wars. A volley gun originally designed for ship-to-ship fighting, its use was limited and eventually discontinued because the powerful recoil limited its use.Since then,...

 made by Nock), a firearm that fires multiple projectiles simultaneously by use of multiple barrels.
 
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