Smith & Wesson K Frame Model 12 Trigger, .240" Spur, .38 Special, Case Hardened – Part# K123 j37n or out-of-spec trigger causes inconsistent

or out-of-spec trigger causes inconsistent pull weight

OEM factory part manufactured to original S&W specifications and tolerances

smooth operation

Frame: K-Frame (Medium Frame)

25" barrel

Smith & Wesson K Frame Model 12 Trigger, .240" Spur, .38 Special, Case Hardened – Part# K123 j37n or out-of-spec trigger causes inconsistentSmith & Wesson K Frame Model 12 Trigger Part# K123 Part Specifications Part Number K123 Part Type Trigger Trigger Width . 240" Spur Caliber . 38 Special Finish Case Hardened Style Old Style Condition Used Factory Original Frame Size K Frame Model Compatibility Model Name Caliber Frame Model 12 Airweight . 38 Special K Frame How to Identify Your Smith & Wesson Model Number Swing out the cylinder and check behind the yoke on the frame for a stamped