This is a 1906 production Third Model 1873 Winchester Saddle Ring Carbine with the distinctive dust rail integral to the top of the receiver. It features a fixed front sight and a folding ladder carbine rear sight. The top of the barrel has the standard two line address/King's improvement patent dates followed by the Winchester oval proof ahead of the rear sight. The top of the breech end of the barrel is marked "38 W.C.F." and the top of the receiver is marked with the Winchester oval proof. The upper tang is marked "MODEL 1873 ' -WINCHESTER-/TRADE MARK" and the serial number is on the lower tang. Saddle ring and staple are mounted on the left side of the receiver and the carbine is mounted with a smooth forearm and straight grip stock, with an iron carbine buttplate with compartment, (cleaning rod not included).