The most widely used rifle of the Civil War, with over 1,000,000 produced for the Union Army. The Springfield Model 1861 rifled musket was the standard infantry weapon of the Civil War and transformed battlefield tactics. Type: Rifle Action: Muzzleloader Caliber: 58 Cal Capacity: 1 Year introduced: 1861, USA Weight: 9.25 oz Overall length: 55.9" Status: Discontinued Military use: Yes Intended use: Military Service