S&W J Frame Models 36, 37, 38, 42, 49, 60, 63, 317 Trigger MIM 228770000 blue Gunsmiths Required: Disassembly and Assembly

Gunsmiths Required: Disassembly and Assembly required to replace part

and cylinder gap

A worn thumb piece may not lock the cylinder securely or may be difficult to operate smoothly

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 Gunsmiths Required: Disassembly and AssemblyDesigned 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