Springfield Arsenal
Springfield Armory
Springfield, Mass.
First of the new models firing the .58 cal minie ball developed at Harper's Ferry and the Maynard tape
primer lockplate. Used throughout the civil war.
U.S. Model 1855 Type I
No. Produced: A total of 24,721
Mfg: from 1856 thru 1858 Cal. .58.
Long range rearsight.
Brass nosecap
U.S. Model 1855 Type 2
No. Produced: A total of 22,394
Mfg: from 1858 thur 1861 Cal. .58.
New 3 leaf rear sight.
Iron patch box.
Iron nose cap.
U.S. Model 1842 Rifled Musket
Between 1856 and 1859 the US Government modified in both national armories a number selected Model 1842 Smoothbore Muskets to take
advantage of the new Minie type elongated ball..
No. Modified: A total of 14,300
69. caliber
Barrels were rifled with three groove rifling.
long range rear sight added.
U.S. Model 1861
.58 caliber
No. Produced : A total of 265,129
mfg: from 1861 thur 1862.
The major differences with the Model
1855 were :
Elimination of the patch box.
Elimination of the Maynard primer.
The rear sight was reinforced around
the holes for the leaf screws.
U.S. Model 1863 Type I
.58 caliber
No. Produced A total of 273,265 mfg: in 1863
Eliminated band springs.
Replaced flat bands with oval clamping bands.
Eliminated swell in ramrod.
U.S. Model 1863 Type II
.58 caliber
No. Produced A total of 255,040 mfg: in 1864 thru 1865
Re-introduced band springs.
Replaced clamping bands with solid oval bands.
Replaced 3 leaf rear sight with single leaf sight.