Ruger Blackhawk, Super Blackhawk, Old Army, Bisley, Single Six, Single Six Bisley Complete Rear Sight Base Assembly

This is an original factory replacement part. Factory replacement parts are manufactured to the exact same specifications and tolerances and use the same manufacturing materials as the original parts which guarantees excellent fit and reliable operation. Disassembly and assembly may be required to replace part and some parts may require installation by a qualified gunsmith.Fits: Bisley Large Frame, Bisley Small Frame, GP100, New Model Blackhawk, New Model Single-Six, Old Army, 45, Old Model Blac