Smith & Wesson J Frame Model 640 .38 Special Hammer - Stainless Steel Old Style J640107 4013 ✓ 100% Genuine OEM Parts:

✓ 100% Genuine OEM Parts: We sell only factory-original Smith & Wesson components

39-2 9mm Important: This part is specifically designed for Model 39 series pistols

Every part is inspected to ensure authenticity and quality before listing

The hammer block (also called the safety block or hammer stop) is a critical safety component that prevents the hammer from striking the firing pin unless the trigger is fully pulled to the rear

mounting accessories at the correct height

Smith & Wesson J Frame Model 640 .38 Special Hammer - Stainless Steel Old Style J640107 4013 ✓ 100% Genuine OEM Parts:Genuine 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