Smith & Wesson J Frame Bolt Spring & Plunger, Used - Models 31, 36, 37, 38, 49 - 3645 Discontinued Designed specifically for M&P Shield

Designed specifically for M&P Shield Plus models

This MIM (Metal Injection Molded) component allows quick magazine changes and can be configured for left or right-handed operation

Durable military-grade construction

629 ⚠️ MIM Parts Only: This trigger is compatible with MIM-equipped revolvers only

17 K-Frame

Smith & Wesson J Frame Bolt Spring & Plunger, Used - Models 31, 36, 37, 38, 49 - 3645 Discontinued Designed specifically for M&P ShieldSmith & 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 #: 3645 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