Smith & Wesson J Frame Bolt Spring & Plunger, Used - Models 31, 36, 37, 38, 49 - 3645AB safety block The Model 18 is part

The Model 18 is part of Smith & Wesson's K Frame

We recommend installation and fitting by a qualified gunsmith to ensure proper function and safety

This listing is for one (1) factory new Smith & Wesson OEM hammer block for the L Frame Model 581 and Model 586 revolvers

and security forces during the war years

Complete mainspring and plunger assembly

Smith & Wesson J Frame Bolt Spring & Plunger, Used - Models 31, 36, 37, 38, 49 - 3645AB safety block The Model 18 is partSmith & 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