Model 1855 rifle-musket

Model 1855 rifle-musket
Name	Model 1855 rifle-musket
Origin	United States
Type	Rifle-musket
Service	1855–1865
Used by	United States Army, Confederate States Army, Union Army
Wars	American Civil War, Bleeding Kansas
Designer	Eliphalet Remington, John A. Forsyth
Design date	1854–1855
Manufacturer	Harper's Ferry Armory, Springfield Armory, Remington Arms Company
Production date	1855–1861
Number	~75,000
Cartridge	.58 caliber paper cartridge
Caliber	.58 in (14.7 mm)
Action	Percussion lock with Maynard tape primer
Feed	Muzzle-loaded
Sights	Rear ladder sight, fixed front sight

Model 1855 rifle-musket is a mid-19th century American infantry longarm introduced in the 1850s combining rifled accuracy with a musket-length barrel. Developed amid debates over black powder ignition and breech systems, it incorporated the controversial Maynard tape primer and a .58 caliber rifled bore intended to improve hit probability at extended ranges. The design saw service in the 1850s and during the American Civil War, influencing subsequent Springfield Model patterns and international small arms thinking.

Design and development

The Model 1855 originated from experiments at Harper's Ferry Armory and Springfield Armory influenced by inventors like Edward Maynard and manufacturers such as Remington Arms Company and E. Remington and Sons. Debates in the 1850s among ordnance boards at Fort Monroe, Watertown Arsenal, and the United States Army Ordnance Department addressed issues raised by trials at West Point and reports from officers assigned to Fort Snelling and Petersburg Arsenal. The rifle-musket combined a .58 caliber rifled barrel, a long 40-inch barrel length typical of Brown Bess-style muskets, and the Maynard tape primer system proposed by Edward Maynard after testing at Washington Navy Yard and advocacy before the United States Congress. Key proponents such as Captain John A. Forsyth promoted rifled muskets following lessons from engagements like Mexican–American War actions and European innovations observed after Crimean War reports. Ordnance trials in 1854–1855 weighed the tradeoffs of muzzle-loading rifles against emerging breechloader concepts debated by engineers influenced by Jean Samuel Pauly, Benjamin Tyler Henry, and foreign arsenals in Belgium and United Kingdom.

Technical specifications

The Model 1855 featured a .58 inch (14.7 mm) caliber rifled barrel with grooves patterned after trials at Springfield Armory and design advice from officers returning from Fort Leavenworth and Fort Monroe. The lock used a percussion cap system augmented by the Maynard tape primer invented by Edward Maynard, which proponents claimed reduced misfires compared to conventional percussion caps evaluated by boards including members from West Point and the US Ordnance Department. The arm weighed approximately similar to contemporary Pattern 1853 Enfield imports used by volunteers from states like New York and Pennsylvania, balancing bayonet use linked to manuals from United States Military Academy doctrine. Sights included a rear ladder sight with graduations similar to systems at Springfield Armory and a fixed front sight like those adopted by Harper's Ferry Armory. Ammunition employed a paper .58 caliber cartridge wrapped around a round ball or Minie-type conical bullet influenced by Claude-Étienne Minie designs, and the rifle-musket was muzzle-loaded following standard procedures taught at West Point and in militia manuals held in Boston armories.

Production and manufacturers

Primary government production occurred at Harper's Ferry Armory and Springfield Armory, with subcontracted work by private firms including Remington Arms Company, E. Remington and Sons, and smaller contractors in Schenectady, Ilion, New York, and Chester, Pennsylvania. Ordnance procurement orders placed by the United States Ordnance Department before the American Civil War led to escalated manufacturing at Springfield Armory under superintendents who coordinated with inspectors from Watertown Arsenal and quartermasters in Washington, D.C.. Some components and converted weapons reached state militias in Massachusetts, Ohio, and New York through state arsenals. After secession, facilities in Virginia and arsenals captured at Richmond and Salisbury yielded additional examples used by the Confederate States Army.

Service history and use

The Model 1855 entered service with frontier garrisons at posts such as Fort Snelling and in regular infantry units garrisoned at Fort Monroe prior to 1861, and many saw action in early American Civil War engagements including skirmishes near Manassas and the First Battle of Bull Run. Units equipped with the Model 1855 included regular regiments posted to the Army of the Potomac and militia regiments from Massachusetts and Pennsylvania. Field reports from officers at Antietam, Fredericksburg, and Shiloh noted both the advantages of rifled accuracy akin to imported Pattern 1853 Enfield weapons and the practical problems of the Maynard tape primer under combat conditions recorded by staff officers attached to corps commanders such as those in the Army of Northern Virginia. Confederate ordnance officers captured or reproduced Model 1855 pattern weapons in arsenals at Richmond and for units operating in theaters including the trans-Mississippi campaigns around Vicksburg.

Variants and modifications

Armory workshops and private contractors produced variations including short and long barrel lengths mirroring adaptations seen in Springfield Model 1861 conversions and experiments with wire cartridge extraction similar to foreign breech systems studied at Watertown Arsenal. Modifications included removal or deactivation of the Maynard tape primer following feedback from ordnance boards at Harper's Ferry and retrofits to standardize bayonet mounts consistent with Pattern 1853 Enfield attachments favored by many volunteer units from New York and Ohio. Some private gunsmiths in Boston and Philadelphia rebored or re-rifled barrels, and a subset of carbines derived from the pattern saw limited cavalry use in brigades raised in Indiana and Kentucky.

Legacy and influence

The Model 1855 influenced later American designs such as the Springfield Model 1861 and debates that shaped small arms policy within the United States Army Ordnance Department and at arsenals including Harper's Ferry Armory and Springfield Armory. Its contested Maynard tape primer prompted procedural changes in ordnance acceptance and accelerated interest in other ignition systems championed by inventors associated with firms like Remington Arms Company and innovators influenced by European breechloader developments in Belgium and United Kingdom. Surviving examples appear in collections at institutions such as the Smithsonian Institution, National Museum of American History, and state historical societies in Virginia and Massachusetts, contributing to study of mid-19th century American military procurement, tactics, and industrial mobilization before and during the American Civil War.

Category:Rifles of the United States Category:American Civil War weapons