Encyclopedia · Artillery concepts

Muzzle-loading and breech-loading artillery

Nearly all Civil War cannon were muzzle-loaders, charged from the muzzle. Breech-loading artillery, loaded at the rear, was rare and mostly represented by imported guns such as the Whitworth and Armstrong.

Also known as: muzzleloader, breechloader.

Muzzle-loadingCharge and projectile rammed from the muzzle; the norm
Breech-loadingLoaded at the rear through a movable breech; uncommon
Breech examplesImported Whitworth and Armstrong guns

Loading the gun

The great majority of Civil War cannon were muzzle-loaders: the crew swabbed the bore, then rammed the powder charge and projectile down from the muzzle before priming and firing. The drill was well understood and the guns simple and robust.

Breech-loading artillery, charged at the rear through a movable breech mechanism, promised faster loading and better obturation but was mechanically complex and comparatively rare in the war. The best-known breechloaders in American service were imported British guns, notably some Whitworth and Armstrong rifles.

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