Smith & Wesson K Frame Model 12-2 Airweight Thumb Piece Blue Steel .38 Special Used Part# 12177A k586-3u 45 ACP and is built

45 ACP and is built to factory spec for reliable feeding and drop-free function

This critical internal component is essential for trigger mechanism operation and is in good working condition

Factory OEM part ensures perfect fit and function

Trigger installation requires proper fitting and function testing

Part# 28152 Smith & Wesson Revolver N Frame Model 28-2

Smith & Wesson K Frame Model 12-2 Airweight Thumb Piece Blue Steel .38 Special Used Part# 12177A k586-3u 45 ACP and is builtThis is a used OEM Smith & Wesson thumb piece (cylinder release latch) in blue steel finish, removed from a K Frame Model 12 2 Airweight revolver chambered in . 38 Special. The thumb piece is the lever on the left side of the frame used to swing the cylinder open. This old style thumb piece is compatible with the Model 12 2 and may fit other K Frame models of the same era verify your dash number and production date before ordering. Part Number: 12177A