S&W K Frame Model 19-4 Side Plate, Old Style, Blue Steel, .357 Magnum - Part# 19157A non-pinned Barrel installation requires proper headspacing

Barrel installation requires proper headspacing and fitting by a qualified gunsmith

Single-Shot Function: The disconnector ensures the pistol fires only one shot per trigger pull by disconnecting the trigger from the sear during slide cycling

Airweight revolvers feature aluminum alloy frames that significantly reduce weight compared to steel-frame models like the Model 49

1 Standard Recoil Spring (18 LB) - Factory-specification spring weight

S&W K Frame Model 19-4 Side Plate, Old Style, Blue Steel, .357 Magnum - Part# 19157A non-pinned Barrel installation requires proper headspacingSmith & Wesson K Frame Model 19 4 Side Plate Restore the exterior integrity of your Model 19 4 Combat Magnum with this original Smith & Wesson side plate. The side plate covers the left side of the frame, protecting the internal action components and completing the revolver's profile. This is a used OEM factory part in the correct old style blue steel finish for pre Model 19 4 and 19 4 revolvers. Part Number: 19157A Finish: Blue Steel Style: Old Style