Percussion rifle
Encyclopedia
The percussion rifle is a rifle
Rifle
A rifle is a firearm designed to be fired from the shoulder, with a barrel that has a helical groove or pattern of grooves cut into the barrel walls. The raised areas of the rifling are called "lands," which make contact with the projectile , imparting spin around an axis corresponding to the...

 that uses a percussion cap
Percussion cap
The percussion cap, introduced around 1830, was the crucial invention that enabled muzzleloading firearms to fire reliably in any weather.Before this development, firearms used flintlock ignition systems which produced flint-on-steel sparks to ignite a pan of priming powder and thereby fire the...

 instead of older 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...

 or 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,...

 variants. Faster reloading and fewer moving parts made this rifle more versatile and rugged compared to other single-shot rifles. The U.S.
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 adopted the percussion system in 1841 and produced an infantry
Infantry
Infantrymen are soldiers who are specifically trained for the role of fighting on foot to engage the enemy face to face and have historically borne the brunt of the casualties of combat in wars. As the oldest branch of combat arms, they are the backbone of armies...

 rifle that same year. This was a .54 caliber, 33-inch barrel percussion rifle. The new arm was very popular, since it was accurate and easy to handle, and its browned barrel finish contrasting with the bright brass furniture gave it a pleasing appearance. It won fame in the Mexican-American War with Jefferson Davis
Jefferson Davis
Jefferson Finis Davis , also known as Jeff Davis, was an American statesman and leader of the Confederacy during the American Civil War, serving as President for its entire history. He was born in Kentucky to Samuel and Jane Davis...

’ regiment of Mississippi
Mississippi
Mississippi is a U.S. state located in the Southern United States. Jackson is the state capital and largest city. The name of the state derives from the Mississippi River, which flows along its western boundary, whose name comes from the Ojibwe word misi-ziibi...

 riflemen at the battle of Buena Vista
Battle of Buena Vista
The Battle of Buena Vista , also known as the Battle of Angostura, saw the United States Army use artillery to repulse the much larger Mexican army in the Mexican-American War...

, and its continuing popularity was such that most Confederate rifle manufacturers later copied its overall style. Some were later converted to .58 caliber and fitted with long range rear sights, but those used at Mill Springs seem to have been the original .54 caliber variety, which had simple notch rear sights.
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