Smith & Wesson J Frame Model 640 Cylinder Stop & Spring Stainless Steel 64081B

Smith & 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 cylinder notches to ensure precise alignment with the barrel for safe and accurate firing.

Why Choose This Part:

• Factory OEM component ensures proper fit and function
• Stainless steel construction for durability and corrosion resistance
• Direct replacement for worn or damaged cylinder stop assemblies
• Essential for maintaining proper cylinder timing and safety

Note: This is a used part in good working condition. Installation by a qualified gunsmith is recommended.