K19 Smith & Wesson Used K Frame Model 12 4" Airweight Blue Pinned Barrel .40 s&w 400" wide spur and MIM

400" wide spur and MIM (Metal Injection Molded) construction for consistent

This cylinder stop and spring are compatible with a 6 shot cylinder and 4 1/8" barrel revolver

How to Identify Your Frame Type: Swing out the cylinder and look at the bottom of the grip frame

proper installation requires knowledge of revolver timing and lockwork

Precision-manufactured to factory specifications for reliable trigger function and perfect fit

K19 Smith & Wesson Used K Frame Model 12 4" Airweight Blue Pinned Barrel .40 s&w 400" wide spur and MIMK19 Smith & Wesson Used K Frame Model 12 Revolver 4" Airweight Blue Pinned Barrel Includes: barrel pin Please call or email with any questions! We sale Smith and Wesson Pistol and Revolver used, new old stock, Refurbished & new Parts. Shoot us an email or give us a call for all your S&W gun needs USA Guns And gear Please call or email with any questions! How to determine the model number of your Smith & Wesson Revolver. Swing out the cylinder , check