S&W K Frame Model 19-4 Bolt Spring & Plunger, Used, .357 Magnum - Part# 1945A model 637 Genuine Smith & Wesson factory

Genuine Smith & Wesson factory part ensures proper fit

400" New Style with Key Lock

Part Number: 422670000

223 Rem Compatible with

Factory New Smith & Wesson K/L Frame Checkered Dymondwood Grips

S&W K Frame Model 19-4 Bolt Spring & Plunger, Used, .357 Magnum - Part# 1945A model 637 Genuine Smith & Wesson factorySmith & Wesson K Frame Model 19 4 Bolt Spring & Plunger Keep your Model 19 4 Combat Magnum cycling reliably with this original Smith & Wesson bolt spring and plunger set. The bolt spring (cylinder stop spring) and plunger work together to drive the cylinder stop into the cylinder notches, ensuring proper lockup at the moment of firing. This is a used OEM factory part in functional condition. Part Number: 1945A Includes: Bolt Spring & Plunger