This is a standard Model 1816 Type II Musket. "SPRING FIELD/1833" marked behind the hammer and eagle shield over "US" ahead of the hammer. The left rear of the barrel is marked with a recessed "P" over "eagle head/V" and the number "15". The barrel tang is dated "1833". The lower tang is marked with a "K" and "CB". There is an "S" sub-inspectors mark on some of the parts and an "N" on the hammer. Blade front sight on the forward barrel band, bayonet lug mounted on top of the barrel at the muzzle, brass flash pan and mounted with a full walnut stock with two clear oval cartouches on the left flat and "US" marked buttplate tang.