This example was part of a contract of 10,000 rifles manufactured by Whitney for the U.S. Navy between 1861 and 1864. Blade front sight and long range adjustable (up to 1,000 yards) ladder rear sight. The left side rear upper barrel flat is marked with the "V / P / eagle head" proof and inspection marks and it is stamped "F.C.W" just below the proof on the left side. The barrel is held on by a single barrel band and an end cap, the barrel band is marked with a "U" on the right side, full length replacement iron ramrod with a large head with a hole through it. The lock is marked with the eagle shield motif over "U.S." in front of the hammer and " WHITNEY-VILLE" further forward below the bolster and dated "1864" vertically behind the hammer. The serial number "8319" appears on the upper tang. One piece full length plain straight grip stock with iron military buttplate and sling swivels mounted below the buttstock and on rear barrel band. The trigger guard is equipped with the finger spur. The tang of the buttplate is marked "U.S.", the left side of the stock opposite of the lock plate features a cartouche with the initials "F.C.W."