Smith & Wesson K Frame Model 12 Trigger, .240" Spur, .38 Special, Case Hardened – Part# K123 M&P .40S&W Durable Construction: Built to withstand Color:MEDIUM WOOD and is a critical 690411L centennial airweight

Durable Construction: Built to withstand years of regular use

Includes: Side plate + mounting screws

Model Caliber Frame Size Compatible Model 337PD AirLite

95" center-to-screw spacing - Standard K/L Frame measurement

OEM new style thumbpiece cylinder release latch button component features a blued finish and is essential for smooth cylinder operation on modern MIM-equipped revolvers

Smith & Wesson K Frame Model 12 Trigger, .240" Spur, .38 Special, Case Hardened – Part# K123 M&P .40S&W Durable Construction: Built to withstand Color:MEDIUM WOOD and is a critical 690411L centennial airweight Durable Construction: Built to withstand years of regular use Includes: Side plate + mounting screws