Ships within 48 hours · Estimated delivery Sep 9 - Sep 14
Contact us with your serial number for assistance in identifying the correct parts for your specific Model 637 variant
This critical timing component advances the cylinder during trigger operation
and safe operation of your shotgun
The grooved face ensures positive finger contact for consistent trigger control
Always function test after installation to ensure reliable ignition with your chosen ammunition
J Frame Hammer Assembly .240" Blue Models 38, 49, 649 New 038990000 Blue Finish Contact us with your serialSmith & Wesson J Frame Hammer Assembly . 240" Blue Genuine factory Smith & Wesson hammer assembly for J Frame revolvers. This new OEM part features a . 240" hammer spur in blue steel finish and is a complete assembly ready for installation in Models 38, 49, and 649. Specifications: Frame Size: J Frame Compatible Models: 38, 49, 649 Hammer Spur Width: . 240 inches Finish: Blue steel Type: Complete hammer assembly Condition: New Part Number: 038990000