S&W K Frame Model 19-4 Bolt Spring & Plunger, Used, .357 Magnum - Part# 1945A model 637 which features factory-tuned action components

which features factory-tuned action components for competitive revolver shooting

400" New Style with Key Lock

Perfect Fit: Engineered to exact specifications for L Frame revolvers

durable black nylon case provides secure storage and transport for your Bodyguard pistol and spare magazine

223 Rem Compatible with

S&W K Frame Model 19-4 Bolt Spring & Plunger, Used, .357 Magnum - Part# 1945A model 637 which features factory-tuned action componentsSmith & 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