This genuine Mossberg cartridge stop and interceptor set is a critical feeding component for Model 500A
A genuine OEM used part in good condition — ideal for restoring or repairing your Model 42
Manufactured to exact OEM specifications and tolerances using the same materials as the original equipment
This MIM (Metal Injection Molded) component allows quick magazine changes and can be configured for left or right-handed operation
Part Number K123 Part Type Trigger Trigger Width
Smith & Wesson J Frame Bolt Spring & Plunger, Used - Models 31, 36, 37, 38, 49 - 3645 Discontinued This genuine Mossberg cartridge stopSmith & 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