Smith & Wesson K Frame Model 15-4 Trigger .265" Wide Grooved Old Style .38 Special — Used OEM Part 15184F 629139A Factory new OEM stainless steel

Factory new OEM stainless steel thumb piece designed for all Smith & Wesson J Frame revolvers with the new style cylinder latch

Need assistance identifying the right part for your firearm

Each set includes the four factory screws needed for proper installation—no additional hardware required

40 S&W ⚠️ Verify fitment — same platform

or missing bolt spring causes the cylinder to fail to lock up properly

Smith & Wesson K Frame Model 15-4 Trigger .265" Wide Grooved Old Style .38 Special — Used OEM Part 15184F 629139A Factory new OEM stainless steelSmith & Wesson K Frame Model 15 4 Trigger . 265" Wide Grooved Old Style . 38 Special Used OEM Part Genuine used Smith & Wesson OEM trigger for the K Frame Model 15 4 Combat Masterpiece revolver chambered in . 38 Special. This is the . 265" wide grooved (serrated) trigger in the old style configuration specific to the Model 15 4 dash variant. The . 265" width is the narrow trigger profile narrower than the wide smooth or wide grooved options preferred