This Winchester manufactured hammer assembly is for the model 1873 lever action rifle with a standard trigger and is in very good condition exhibiting a grayish brown patina with a few specks of older rust and honest wear . The hammer assembly consists of the hammer with stirrup and stirrup pin.  (file photo)

Note: Winchester model 1873 lever action rifles with the following serial numbers have been observed with this part: 120779A & 230470B