The factory letter indicates it was received and shipped on September 18, 1886, in .40-60 with a part octagon barrel, plain trigger, half magazine, and casehardened finish. The half-round/half-octagon barrel, half-magazine, and casehardened receiver are special order features. The barrel and magazine are blued, and the other components have a casehardened finish. The walnut stock has a crescent steel buttplate. The barrel is fitted with a Rocky Mountain style front sight with German silver blade and a Winchester sporting style rear sight. The rifle has the third model receiver with integral dust cover rib and is fitted with a late pattern dust cover with serrated edges. The top of the barrel flat is roll-stamped with the two-line legend: "WINCHESTER'S-REPEATING ARMS. NEW HAVEN. CT./KINGS"-IMPROVEMENT-PATENTED-MARCH 29, 1866. OCTOBER 16. 1860." ahead of the rear sight. "CAL 40-60" is stamped on the top barrel flat between the rear sight and the receiver. "40-60" is marked on the bottom of the cartridge elevator. The upper receiver tang is roll-stamped: "MODEL 1876" with a foliate design on either side of the marking. The serial number is located on the lower receiver tang behind the loading lever latch.