This Remington manufactured complete rear sight assembly includes the collar, eyepiece, leaf, windage screw, sight screw, step, and base (base mounting screws and nylon washers sold separately). This complete rear sight assembly is for the model 660 bolt action carbine and is in near excellent condition with light wear. (file photo)

Note: Remington model 660 bolt action rifles with the following calibers and serial numbers have been observed with this part:

6.5MM Rem Mag: 101966