.69 caliber. 42" barrel secured by three flat, spring retained bands. NSN. Bright finish, iron furniture, walnut stock. Single shot muzzleloading percussion conversion of a US military musket with sling swivels, brass front sight blade and button head ramrod. Lock marked with a {Spread-Winged Eagle}/US forward of the hammer and in three vertical lines at the tail SPRING/FIELD/1837. Two weak script cartouches are present on the counterpane, the ET of Elisha Toby and the EB of Elizeur Bates. Alteration to percussion via Henry Leman's patent breech system with clean out screw in the bolster. {ANTIQUE}