Manufactured 1863 by the Amoskeag Manufacturing Company, Manchester, New Hampshire. Amoskeag produced the Model 1861 from 1862 to 1865 with an estimated total quantity at 27,000. This example features the distinctive hammer, bolster with no provision for a clean-out screw, tulip head ramrod and screw fastened barrel bands. The musket is finished national armory bright with an oil finished stock. The lock is dated 1863 and is marked "U. (eagle motif) S. / AMOSKEAG MFG CO / MANCHESTER, N.H." The eagle motif is repeated on the bolster. Three leaf rear sight and blade front sight on a 1862 dated barrel marked with the "V P eagle head proof and inspection marks and "R.C. STEEL". The buttplate heel is stamped "U.S." The stock has no visible markings.