Smith & Wesson J Frame Model 640 .38 Special Hammer - Stainless Steel Old Style J640107 MBU6 This sear housing block assembly

This sear housing block assembly is designed for the following Smith & Wesson M&P models (1

Important: These grips are ONLY for round butt frames

They are not compatible with square butt J Frame models

Model 5923 - 9mm Third Gen DAO

Features the updated new-style yoke retention system introduced in the -5 dash series

Smith & Wesson J Frame Model 640 .38 Special Hammer - Stainless Steel Old Style J640107 MBU6 This sear housing block assemblyGenuine S&W Model 640 Hammer Assembly Old Style This genuine Smith & Wesson hammer is designed specifically for J Frame Model 640 revolvers chambered in . 38 Special. Manufactured from durable stainless steel, this old style hammer component ensures reliable ignition and consistent performance in your classic revolver. Key Features: Genuine S&W Part: Factory component ensures perfect fit and function Stainless Steel Construction: Corrosion resistant