Smith & Wesson J Frame Model 640 Cylinder Stop & Spring Stainless Steel 64081B Multi Model All components pictured

All components pictured

Model Fit: M&P 9mm Compact (1

Model Compatibility: K Model K-22

Part Number: 440580000

As the slide moves rearward after firing

Smith & Wesson J Frame Model 640 Cylinder Stop & Spring Stainless Steel 64081B Multi Model All components picturedSmith & Wesson J Frame Model 640 Cylinder Stop & Spring Assembly Factory OEM replacement part for reliable cylinder timing and lockup. Model: 640 J Frame Caliber: . 38 Special Part Number: 64081B Material: Stainless Steel Condition: Used, Old Style Compatibility: Smith & Wesson J Frame Model 640 revolvers This genuine Smith & Wesson cylinder stop and spring assembly is critical for proper cylinder timing and lockup. The cylinder stop engages the