Smith & Wesson 31, 32, 34, 36, 37, 38, 42, 49, 60, 63, 317, 331, 332, 337, 337PD, 340, 340PD, 342, 342PD, 351PD, 360, 360PD, 431PD, 432PD, 442, 631, 632, 640, 642, 649, 650, 651, 940 Cylinder Stop

Factory replacement parts are manufactured to the exact same specifications and tolerances and use the same manufacturing materials as the original parts. Some parts may require installation by a qualified gunsmith.