S&W K Frame Model 19-4 Bolt Spring & Plunger, Used, .357 Magnum - Part# 1945A model 637 223 Rem Compatible with

223 Rem Compatible with

Genuine Smith & Wesson factory part ensures proper fit

Part Number: 422670000

Critical Component: Essential fire control part for trigger function

400" New Style with Key Lock

S&W K Frame Model 19-4 Bolt Spring & Plunger, Used, .357 Magnum - Part# 1945A model 637 223 Rem Compatible withSmith & 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