Smith & Wesson Trigger S&W 10-9, 13-4, 14-5, 15-6, 17-6, 19-6, 25-8, 27, 29-5, 57-3 , 64-4, 65-5, 66-3, 67-2, 242, 296, 386, 386PD, 396, 312, 581-3, 586-3, 610, 617, 624-2, 625, 627, 629, 648 MIM

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."A" fits: S&W 10-9, 13-4, 14-5, 15-6, 17-6, 19-6, 25-8, 27, 29-5, 57-3 , 64-4, 65-5, 66-3, 67-2, 242, 296, 386, 386PD, 396, 312, 581-3, 586-3, 610, 617, 624-2, 625, 627, 629, 648"B" fits: S&W 25-8, 27-5, 29-5, 57-3, 500, 586-6, 610, 617, 624-1, 625, 627, 629-2, 647, 648-2, 657-1, 686-5"C" fits: S&W 36, 37, 38, 42, 49, 60, 63, 317, 331, 332, 337, 340, 342, 351PD, 360, 360PD, 442, 631, 632, 637, 638, 640, 642, 649