Main Spring M1861-1870 Springfield, Harper’s Ferry and Contractor .58 Caliber Muskets, & 50-70 Muskets and Rifles, Original

Original excellent Main Spring for M1861, M1863, and M1864 Springfield’s and contractor .58 Caliber muskets. They were also used on Model 1865 – 1870, 50-70 caliber Springfield Muskets & Rifles.