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| Model 1861 Springfield rifled musket | |
|---|---|
| Name | Model 1861 Springfield rifled musket |
| Origin | United States |
| Type | Rifled musket |
| Service | 1861–1870s |
| Used by | Union Army |
| Designer | Springfield Armory |
| Design date | 1861 |
| Manufacturer | Springfield Armory |
| Production date | 1861–1865 |
| Number built | ~700,000 |
| Weight | 9–10 lb |
| Length | 56 in |
| Caliber | .58 |
| Action | muzzle-loading |
| Feed | Single-shot |
| Sights | Rear ladder, front blade |
Model 1861 Springfield rifled musket is a .58 caliber muzzle-loading rifled musket produced at Springfield Armory and other facilities for the United States during the American Civil War. It became the standard service longarm of the Union Army and influenced infantry tactics, procurement, and battlefield outcomes across major engagements such as the Battle of Gettysburg and the Battle of Antietam. Manufactured variants and copies were issued to units from regular infantry to militia and saw use in domestic and post-war conflicts including the Indian Wars.
Design work at Springfield Armory drew on earlier percussion arms such as the Model 1855 Springfield and incorporated lessons from European developments including the Minié ball innovations of Claude-Étienne Minié and rifling patterns used by manufacturers like Enfield. Key figures and institutions in the musket’s development included armory superintendents at Springfield Armory and the Ordnance Department of the United States Army, alongside input from ordnance officers who observed arms in the Crimean War and at armories like Enfield Lock. The 1861 design standardized lock, stock, and barrel dimensions to simplify logistics during wartime procurement overseen by the U.S. War Department. Trials compared the 1861 against arms procured from private firms such as Colt's Manufacturing Company and Remington Arms Company, leading to widespread government contracts.
The Model 1861 featured a .58 caliber rifled barrel with three-groove or seven-groove rifling depending on contract, a walnut stock, and an iron furniture set produced to the specifications issued by the Ordnance Department. Overall length and weight were comparable to contemporary muskets issued in European armies like the British Army and the French Army models, while the lockplate design evolved from earlier Springfield patterns. Sights comprised a front blade and a ladder rear sight graduated for ranges, and bayonet mounting accepted the socket bayonet patterned after earlier U.S. designs used at Fort Sumter and other installations. The musket’s percussion lock mechanism derived from percussion cap advances pioneered by inventors connected to firms such as Perry and military ordnance offices in Watertown Arsenal.
The Model 1861 fired the .58 caliber Minié-type conical bullets often called Minie balls that expanded to engage rifling, improving accuracy over smoothbore muskets used earlier at actions like the First Battle of Bull Run. Typical ammunition loads used paper cartridges containing black powder charges and a patched conical bullet manufactured by contractors in cities like Springfield, Massachusetts, Lowell, Massachusetts, and Philadelphia. Ballistic performance under 200 yards proved markedly superior to smoothbore arms in trials at ranges evaluated by the U.S. Ordnance Department, though long-range effectiveness and penetration varied across engagements such as Fredericksburg and Chancellorsville. Wounding patterns observed by surgeons from institutions like Bellevue Hospital and medical officers such as Jonathan Letterman influenced medical evacuation and treatment protocols during campaigns.
Production centered at Springfield Armory with subcontracting to private firms including E. Whitney, F. Ames, and other manufacturers to meet wartime demand, resulting in approximately 700,000 units. Variants included alterations to rifling, barrel length, and furniture by contractors supplying the United States Sanitary Commission hospitals and regimental quartermasters supporting units from states like New York, Pennsylvania, and Massachusetts. Foreign copies and pattern influences appeared in private arsenals and in imports from Enfield Lock and Frankford Arsenal, while post-war conversions produced by firms such as Sharps Rifle Manufacturing Company and Winchester Repeating Arms Company adapted some stocks and barrels for breechloading mechanisms.
Deployed broadly from 1861 onward, the Model 1861 equipped regulars, volunteers, and militia in theaters ranging from the Eastern Theater battles like Seven Pines to Western Theater campaigns including Shiloh and the Vicksburg Campaign. Logistics, supply, and training overseen by the U.S. Army and state adjutant generals determined issuance priorities during Portland and Boston mobilizations, and ordnance records show serial distributions to regiments raised in states such as Ohio, Illinois, and New Jersey. Post-war service continued into the 1870s with garrison and frontier units engaged in actions tied to treaties such as the Treaty of Fort Laramie and operations against Native American nations in the Plains.
Tactical employment evolved as commanders confronted the weapon’s increased accuracy; formations and doctrines at battles like Antietam and Gettysburg adjusted volley fire, skirmish lines, and entrenchment practices used by corps commanders including those from Army of the Potomac and Army of the Cumberland. The weapon’s rate of fire and reloading time under combat stress influenced doctrine advocated by officers schooled at United States Military Academy and by volunteer leaders from state militias. Combined-arms actions involving artillery units from arsenals such as Watertown Arsenal and cavalry screens affected how commanders used rifled muskets in offensive and defensive operations, with battlefield reports and after-action studies recorded at institutions like the National Archives.
Surviving examples reside in collections at institutions like the National Museum of American History, Civil War Trust affiliated museums, and state historical societies in Virginia, Pennsylvania, and Ohio, while private collectors and arms dealers maintain provenance records tied to regimental histories and campaign artifacts. Conservation practices follow museum protocols developed by curators at Smithsonian Institution and restoration specialists who reference ordnance marks and proofs from archives in Springfield, Massachusetts. Collectors assess condition, matching, and originality against documented serial runs and contract stamps preserved in repositories such as the National Archives and Records Administration and state armories, making the Model 1861 a focal piece for Civil War material culture studies.
Category:Rifled muskets Category:Weapons of the American Civil War Category:Springfield Armory