S&W J Frame Models 36, 37, 38, 42, 49, 60, 63, 317 Trigger MIM 228770000 blue designed specifically for hammerless/concealed hammer

designed specifically for hammerless/concealed hammer J Frame revolvers

38 S&W is a distinct cartridge — do not confuse with

torsion spring

Smith & Wesson J Frame Blue MIM Thumbpiece - New Style

Frame: K Frame

S&W J Frame Models 36, 37, 38, 42, 49, 60, 63, 317 Trigger MIM 228770000 blue designed specifically for hammerless/concealed hammerDesigned for Smith & Wesson J Frame Models including 36, 37, 38, 42, 49, 60, 63, 317, 331, 332, 337, 340, 342, 351PD, 360, 360PD, 442, 631, 632, 637, 638, 640, 642, and 649, these MIM new style trigger offer precision crafted pistol parts, ideal for expert level maintenance and upgrades. Part# 228770000 Smith and Wesson Factory New Part Please call or email with any questions! How to determine the model number of your Smith & Wesson Revolver. Swing