Smith & Wesson N Frame Cylinder Stop & Spring Old Style - 62981D 3008605 The thumb piece (also called

The thumb piece (also called the cylinder release latch) is the lever on the left side of the frame that you push forward to unlock and swing the cylinder out for loading and unloading

The Smith & Wesson Model 28 was introduced in 1954 as a more affordable alternative to the Model 27

Professional gunsmith installation and fitting recommended

DAO (double-action-only) configuration

Smith & Wesson N Frame Cylinder Stop & Spring Old Style - 62981D 3008605 The thumb piece (also calledSmith & Wesson N Frame Cylinder Stop & Spring Old Style This factory original Smith & Wesson N Frame Cylinder Stop & Spring is a critical timing component that locks the cylinder in alignment with the barrel at the moment of firing. The cylinder stop (also called the cylinder bolt) rises from the frame to engage the cylinder notches, preventing rotation during the firing cycle. A worn or broken cylinder stop causes cylinder timing failures and