Smith & Wesson J Frame Bolt Spring & Plunger Used - Models 31, 36, 37, 38, 49 - Part # 3645AB
Smith & Wesson J Frame Bolt Spring & Plunger — Used | Part # 3645AB
OEM factory used bolt spring and plunger assembly for Smith & Wesson J Frame revolvers. Pull-from-gun condition — serviceable for gunsmiths and hobbyists sourcing hard-to-find S&W components.
- Part #: 3645AB
- Condition: Used — pull-from-gun, serviceable
- Frame: J Frame
- Caliber: .38 Special
- Compatible Models: 31, 34, 36, 36-1, 37, 37-1, 38, 38-1, 49, 49-1
- Origin: Smith & Wesson factory OEM part
Installation Note
Disassembly and reassembly required. Installation and fitting by a qualified gunsmith is recommended. Factory replacement parts are manufactured to original S&W specifications and tolerances.
Finding Your Model Number
Swing out the cylinder and check behind the yoke on the frame. Model numbers were introduced in 1957–58. If no model number is present, your revolver may pre-date that era — contact us with your serial number and we can help identify the correct part.
Questions? Email or call us — USA Guns And Gear stocks new, used, and new-old-stock S&W double-action revolver parts.