Glock Rear Sight 6.1mm .240" Height Glock 42/43 Fixed Polymer

This Glock factory rear sight is a factory original from Glock featuring polymer construction and a white contrast insert for rapid sight acquisition. 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. Some parts may need to be installed by a qualified gunsmith.